| DYSRHYTHMIA | • dysrhythmia n. A disturbance to an otherwise normal biological rhythm, especially that of the heart. • DYSRHYTHMIA n. an abnormal rhythm. |
| DYSRHYTHMIC | • dysrhythmic adj. Having an unpleasing, irregular beat. • dysrhythmic adj. Having or relating to dysrhythmia. • DYSRHYTHMIC n. someone suffering from dysrhythmia. |
| HEMIHYDRATE | • hemihydrate n. (Chemistry) A hydrate whose solid contains one molecule of water of crystallization per two molecules… • HEMIHYDRATE n. a hydrate, such as plaster of paris, containing half a mole of water to one mole of the compound forming the hydrate. |
| HEXAHYDRATE | • hexahydrate n. (Chemistry) A hydrate whose solid contains six molecules of water of crystallization per molecule, or per unit cell. • HEXAHYDRATE n. a chemical compound with six molecules of water. |
| HOTHEADEDLY | • hotheadedly adv. In a hotheaded manner. • HOTHEADED adv. rash, impetuous. |
| HYDROPATHIC | • hydropathic adj. Relating to hydropathy. • hydropathic adj. (Chemistry) Relating to hydropathicity. • hydropathic n. A temperance hotel offering hydropathy to guests. |
| HYDROPHYTES | • hydrophytes n. Plural of hydrophyte. • HYDROPHYTE n. an aquatic plant; an alga. |
| HYDROPHYTIC | • hydrophytic adj. Relating to hydrophytes. • HYDROPHYTIC adj. growing in or by water, also HYDROPHYTOUS. |
| HYDROPHYTON | • hydrophyton n. (Biology) A branched structure that supports the zooids in colonial hydrozoa. • HYDROPHYTON n. the coenosarc of a hydroid colony. |
| HYDROTHECAE | • hydrothecae n. Plural of hydrotheca. • HYDROTHECA n. the horny cup of a hydranth. |
| HYDROTHORAX | • hydrothorax n. (Medicine) The presence of fluid in the pleural cavity. • HYDROTHORAX n. water liquid in the pleural cavity. |
| HYPOTHYROID | • hypothyroid adj. Of or pertaining to hypothyroidism. • hypothyroid adj. Having hypothyroidism. • HYPOTHYROID adj. affected with hypothyroidism. |
| ICHTHYOIDAL | • ichthyoidal adj. Like a fish; ichthyoid. • ICHTHYOIDAL adj. fishlike, also ICHTHYOID. |
| ICHTHYOPSID | • ICHTHYOPSID n. a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates, also ICHTHYOPSIDAN. |
| RHYNCHODONT | • RHYNCHODONT adj. having a toothed beak. |