| hackle |
one of the long, thin feathers on the neck or lower back of certain birds, such as the rooster. [3 definitions] |
| hackmatack |
a tamarack. [2 definitions] |
| hackney |
a horse suited for ordinary riding or driving. [4 definitions] |
| hackneyed |
made trite or commonplace by overuse, as an expression or phrase. |
| hacksaw |
a saw used to cut metal, with a tough, fine-toothed, short blade fixed in a frame. |
| had |
past tense and past participle of have. |
| had better |
used to state that a certain action is strongly advised and that, if one does not do the action that is specified, something bad might happen (sometimes used in warnings and threats). |
| haddock |
a North Atlantic food fish, related to but smaller than cod. |
| Hades |
in Greek mythology, the underworld inhabited by the dead, or the god who rules there; Pluto. [3 definitions] |
| hadn't |
contracted form of "had not." |
| hadron |
in particle physics, any particle made up of quarks and held together by the strong force. |
| hadrosaur |
any dinosaur of the Hadrosauridae family, having a broad, flat snout for grazing; also known as a "duck-billed dinosaur." |
| haemato- |
see "hemato-." |
| hafnium |
a chemical element that has seventy-two protons in each nucleus and that occurs as a tetravalent metal often found in combination with zirconium, used in pure form for applications such as nuclear reactor control rods because it absorbs neutrons well. (symbol: Hf) |
| haft |
a handle or hilt, as of a weapon or cutting tool. [2 definitions] |
| hag |
an ugly old woman, esp. one considered frightening or wicked. [2 definitions] |
| Hagar |
according to the Old Testament, Abraham's concubine and the mother of Ishmael. |
| hagfish |
a small eellike marine fish with horny teeth and a round, jawless, sucking mouth. |
| Haggadah |
a book read at the Passover Seder that contains the story of Exodus and the ritual of the Seder. [2 definitions] |
| Haggai |
a minor Hebrew prophet of the sixth century B.C. [2 definitions] |
| haggard |
wasted, exhausted, or wild in appearance, as from hunger, deprivation, or anxiety. |