| Habronema microstoma | One of two species (the other being Habronema microstoma) similar in appearance, hosts, distribution, and life cycle to Habronema muscae; the intermediate host is the stable fly, Stomoxys calcitrans. (05 Mar 2000) |
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| Habronema muscae | A species that occurs in the stomach of the horse, mule, ass, or zebra; the intermediate host is the common housefly, Musca domestica, or related flies. (05 Mar 2000) |
| HACEK group | A group of Gram-negative bacteria that includes Haemophilus spp., Actinobacillus actinomycetemcomitans, Cardiobacterium hominis, Eikenella corrodens, and Kingella kingae. Bacteria in this group have in common a culture requirement of an enhanced carbon dioxide atmosphere and ability to infect human heart valves. (05 Mar 2000) |
| hacienda | A large estate where work of any kind is done, as agriculture, manufacturing, mining, or raising of animals; a cultivated farm, with a good house, in distinction from a farming establishment with rude huts for herdsmen, etc.; a word used in Spanish-American regions. Origin: Sp, fr. OSp. Facienda employment, estate, fr. L. Facienda, pl. Of faciendum what is to be done, fr. Facere to do. See Fact. Source: Websters Dictionary (01 Mar 1998) |
| hack | 1. A frame or grating of various kinds; as, a frame for drying bricks, fish, or cheese; a rack for feeding cattle; a grating in a mill race, etc. 2. Unburned brick or tile, stacked up for drying. See: Hatch a half door. Source: Websters Dictionary (01 Mar 1998) |
| hackberry | <botany> A genus of trees (Celtis) related to the elm, but bearing drupes with scanty, but often edible, pulp. C. Occidentalis is common in the Eastern United States. Source: Websters Dictionary (01 Mar 1998) |
| hackbolt | <zoology> The greater shearwater or hagdon. See Hagdon. (01 Mar 1998) |
| hackee | <zoology> The chipmunk; also, the chickaree or red squirrel. Source: Websters Dictionary (01 Mar 1998) |
| hacker | One who, or that which, hacks. Specifically: A cutting instrument for making notches; especially, one used for notching pine trees in collecting turpentine; a hack. Source: Websters Dictionary (01 Mar 1998) |
| hackery | A cart with wooden wheels, drawn by bullocks. Origin: Hind. Chakra. Source: Websters Dictionary (01 Mar 1998) |
| hacking | A chopping stroke made with the edge of the hand in massage. (05 Mar 2000) |
| hackle | 1. To separate, as the coarse part of flax or hemp from the fine, by drawing it through the teeth of a hackle or hatchel. 2. To tear asunder; to break in pieces. "The other divisions of the kingdom being hackled and torn to pieces." (Burke) Origin: Hackled; Hackling. Source: Websters Dictionary (01 Mar 1998) |
| hackly | 1. Rough or broken, as if hacked. 2. <chemical> Having fine, short, and sharp points on the surface; as, the hackly fracture of metallic iron. Origin: From Hackle. Source: Websters Dictionary (01 Mar 1998) |
| hackmatack | <botany> The American larch (Larix Americana), a coniferous tree with slender deciduous leaves; also, its heavy, close-grained timber. Synonym: tamarack. Origin: Of American Indian origin. Source: Websters Dictionary (01 Mar 1998) |
| haddie | <zoology> The haddock. Source: Websters Dictionary (01 Mar 1998) |