Glossary
Terms starting with H
271 definitions · page 4 of 5.
- homoplasmy
- The existence within an organism of only one type of plastid; usually referring to genetic identity of mitochondria or chloroplasts.
- homothallic
- A botanical term used for groups whose individuals are not of different sexes.
- homothallic fungu
- A fungus species in which a single sexual spore can complete the entire sexual cycle (compare heterothallic fungus).
- homozygote
- An individual having a homozygous gene pair. A diploid or a polyploid with identical alleles at a locus.
- homozygous gene pair
- A diploid gene pair having identical alleles in both copies for example, AA or, aa.
- Honey
- A naturally sweet, viscous liquid made from the nectar of flowers, collected by honey bees. Honey comes in numerous varieties with different colours, textures and flavours. The flavour, colour and sweetness is dependent on which type of flower the nectar was…
- Honorable information
- A courtesy title given especially to judges.
- hook & eye closure
- A 2-part fastening device (as on a garment or a door) consisting of a metal hook that catches over a bar or into a loop.
- Hoop Earring
- A hoop earring is a circular earring made from metal wire or tubing. Variations include the traditional shape as well as hoops with charms and other ornaments hung from the hoop.
- Horizontal Edge Correction
- This feature helps sharpen the edges of objects in the picture. It works in conjunction with the dynamic sharpness control and velocity modulated scan to help produce clean, crisp television images and reduce the unwanted effects of video noise.
- hormone
- Chemical secreted by one type of cell and acting on a second type of cell.
- hormone response element (HRE)
- An HRE is a cis-regulatory DNA sequence for a hormone that acts by binding to a receptor that can act as a transcription factor, that is a binding site for the hormone-receptor complex.
- Horn of plenty
- A common woodland mushroom, so named because it grows in the shape of a long horn or funnel. It's also known as black trumpet and trompette de la mort. It has a fluted edge and dark gills and is very dark brown, almost black in colour. It looks and tastes…
- Hornbook Law information
- A general principle of law as given in a legal treatise, known as a hornbook. These are useful books in law school but not so authoritative in a court.
- HORSEPOWER (HP)
- A unit for measuring the rate of doing work. One horsepower equals about three-fourths of a kilowatt (745.7 watts).
- Horseradish
- A perennial plant originating in eastern and south-eastern Europe, horseradish is cultivated for its tough, twisted root. Horseradish is a member of the mustard family. The root, which is similar in appearance to a parsnip, releases a distinctive aroma when…
- Host
- A networked computer dedicated to providing a certain kind of service. Usually refers to a computer that stores the website files and has a web server running on it.
- host range
- 1. The spectrum of strains of bacterial species that a given strain of phage can infect. 2. The range of cells that can act as a host to a virus or bacteriophage.
- Hostage information
- A captive held by another for the purpose of making demands on another person.
- Hostile Takeover information
- The act of taking over a corporation without consent, except through buying up outstanding shares of stock, or making a tender offer that management cannot defeat.
- HOT
- (Colloquial) - The word is sometimes used to describe electric utility lines that are carrying electric currently. It also is used to refer to anything that is highly radioactive.
- HOT DRY ROCK
- A geothermal resource created when impermeable, subsurface rock structures, typically granite rock 15,000 feet or more below the earth's surface, are heated by geothermal energy. The resource is being investigated as a source of energy production.
- Hot or Overdrawn
- A digit that over a period of time is drawn more often than the norm. While some play these numbers because they are 'Hot', they can only reach normality by not being drawn.
- Hot Pursuit information
- The state of pursuit of a felon across state line or other jurisdictional boundary and the right of a police officer to cross those lines in haste in order to make an arrest of a fleeing suspect.
- Hot Shoe
- An accessory shoe mounted on the camcorder that is internally wired to the camcorder power supply. Compatible accessories, such as a video light, can be powered directly, with no wires to connect.
- hot spot
- A region of a genome exhibiting an increased frequency of some genetic phenomenon such as mutation, recombination and transposition.
- Hot water crust pastry
- A bit of an oddball in pastry terms as everything has to be hot rather than cold! This is a heavy dough pastry made by heating water and fat (lard) together and mixing them into the flour. Because of the high amount of water the pastry is quite hard and…
- HotBot
- search engine located at www.hotbot.com
- Hourly Worker
- An hourly worker is an employee that is paid per unit of time, in this case a set amount of money per each hour worked. Factory work that is hourly may be managed by time clocks that keep a record of when the employee is on duty and off duty. The time clock…
- House Closing information
- The formal transfer of ownership of a home from one person to another. Closing usually occurs at the offices of a real estate title company.
- HOUSE YEAR
- Equal to 365 days of insured coverage for a single dwelling. It is the standard measurement for homeowners insurance.
- Household income
- Means the income used to determine whether a sponsor meets the minimum income requirements under Section 213A of the Immigration and Nationality Act (INA) for some immigrant visa cases.
- Housing and Urban Development (HUD) information
- A federal agency in charge of programs and policies regarding housing issues and neighborhood improvement.
- HQSC
- Hospitality, quality, service, and cleanliness. These are the areas that all restaurant owners must strive to excel in regardless of the type of restaurant, sales volume, or size.
- HSPF (Heating Seasonal Performance Factor)
- A measure of heating efficiency for the total heating output of a central air-conditioning heat pump. Efficiency is derived according to federal test methods by using the total Btus during its normal usage period for heating divided by the total electrical…
- HST
- The Hubble Space Telescope makes its observations from above Earth's atmosphere. The telescope orbits 600 kilometers (375 miles) above Earth, working around the clock. It was originally designed in the 1970s and launched in 1990. The telescope is named for…
- HTML
- (Hypertext Markup Language). It is the language in which web pages are written. It allows the images to be combined with text and offers wide range of formatting capabilities. One of the most important features of HTML is hypertext, that allows web pages to…
- HTML banner
- a banner ad using HTML elements, often including interactive forms instead of (or in addition to) standard graphical elements.
- HTML email
- email that is formatted using Hypertext Markup Language, as opposed to plain text email.
- HTTP
- Hyper Text Transfer Protocol. The main protocol used to transfer and receive data over the World Wide Web. The latest version of HTTP is 1.1. Basic HTTP transaction involves a WWW browser connecting to a server, browser sending a request to the server…
- Hub
- A hub is a network device that is used for connecting computers on a Local Are Network (LAN). It forwards all the packets it receives to all of its ports.
- Hubble law
- the principle that a distant galaxy’s recessional velocity is proportional to its distance from Earth
- Hubble Space Telescope
- The Hubble Space Telescope makes its observations from above Earth's atmosphere. The telescope orbits 600 kilometers (375 miles) above Earth, working around the clock. It was originally designed in the 1970s and launched in 1990. The telescope is named for…
- Humectant
- A substance that attracts moisture.
- Hummus
- A Middle Eastern chickpea purée made from cooked crushed chickpeas flavoured with tahini (pounded sesame seeds), oil, garlic and lemon juice. As part of Arabic mezze it's served as a dip with hot pitta bread. In Egypt hummus is often flavoured with cumin. If…
- Hung Jury information
- A jury that is unable to reach a conclusion on a trial issue such that no result is obtained. A hung jury will result in a mistrial.
- Huntington's disease
- A late but variable age onset lethal human disease of nerve degeneration. Inherited as an autosomal dominant phenotype. Shows imprinting individuals inheriting HD from their father show significantly earlier onset than those inheriting a maternal allele…
- Hunza apricots
- Hunza apricots look nothing like the familiar plump orange apricots. They're small, round and hard, with a beige colour - sort of like a pale walnut. They come from wild apricot trees in the Hunza valley in Kashmir and from Afghanistan and Turkey. The fruit…
- hurricane
- an extremely low-pressure, destructive weather cell of tropical origin with wind speeds in excess of 74 miles per hour (119 kilometers per hour). Hurricanes causes widespread flooding and wind damage in North America and the Caribbean.
- HURRICANE DEDUCTIBLE
- A percentage or dollar amount added to a homeowner’s insurance policy to limit an insurer’s exposure to loss from a hurricane. Higher deductibles are instituted in higher risk areas, such as coastal regions. Specific details, such as the intensity of the…
- Husband and Wife Privilege information
- Most states recognize the confidential nature of marital communications and will not requires one spouse to testify against another. There are, or course, exceptions to the rule. Most notably, the rule does not apply where one spouse is the victim of a crime…
- HVAC (Heating Ventilation and Air Conditioning)
- A system that provides heating, ventilation and/or cooling within or associated with a building.
- Hyaluronic Acid
- An acid that occurs naturally in the skin, helps retain the skin's natural moisture.
- hybrid
- (1) A heterozygote. (2) A progeny individual from any cross involving parents of differing genotypes. Offspring of unlike parents. (3) A duplex polynucleotide formed by hybridization of two single stranded polynucleotides of different origin.
- hybrid DNA
- DNA whose two strands have different origins.
- hybrid dysgenesi
- A syndrome of effects including sterility, mutation, chromosome breakage, and male recombination in the hybrid progeny of crosses between certain laboratory and natural isolates of Drosophila.
- Hybrid model
- a combination of two or more online marketing payment models.
- hybrid plasmid
- A plasmid that contains an inserted piece of foreign DNA.
- hybrid vector hybrid vehicle
- An episome or plasmid containing an inserted piece of foreign DNA.
- hybrid vector/hybrid vehicle
- An episome or plasmid containing an inserted piece of foreign DNA.