| HYDROTAXES | • HYDROTAXIS n. movement towards or away from water. |
| HYDROXIDES | • hydroxides n. Plural of hydroxide. • HYDROXIDE n. any compound containing an -OH group. |
| HYDROXYLASE | • hydroxylase n. (Biochemistry) Any of several enzymes that catalyze the oxidation of compounds by the introduction of hydroxyl groups. • HYDROXYLASE n. any of a group of enzymes that catalyze oxidation reactions. |
| HYPEROXIDES | • hyperoxides n. Plural of hyperoxide. • HYPEROXIDES n. HYPEROXIDE. |
| OXYSULPHIDE | • oxysulphide n. Alternative form of oxysulfide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| HYDROXYLASES | • hydroxylases n. Plural of hydroxylase. • HYDROXYLASE n. any of a group of enzymes that catalyze oxidation reactions. |
| HYDROXYLATES | • hydroxylates v. Third-person singular simple present indicative form of hydroxylate. • HYDROXYLATE v. to introduce hydroxyl into. |
| HYDROXYUREAS | • hydroxyureas n. Plural of hydroxyurea. • HYDROXYUREA n. a drug used to treat some forms of leukemia, melanoma, and malignant tumors. |
| HYDROXYZINES | • hydroxyzines n. Plural of hydroxyzine. • HYDROXYZINE n. a compound used as an antihistamine and tranquilizer. |
| OXYHYDROGENS | • OXYHYDROGEN n. a mixture of hydrogen and oxygen used to provide an intense flame for welding. |
| OXYSULPHIDES | • oxysulphides n. Plural of oxysulphide. • OXYSULPHIDE n. a compound containing an element combined with oxygen and sulphur. |
| CHALCEDONYXES | • CHALCEDONYX n. an agate of alternating white opaque and greyish transparent chalcedony. |
| HEXADACTYLOUS | • hexadactylous adj. (Zoology) Having six fingers or toes. • HEXADACTYLOUS adj. having six fingers, also HEXADACTYLIC. |
| HYDROTHORAXES | • hydrothoraxes n. Plural of hydrothorax. • HYDROTHORAX n. water liquid in the pleural cavity. |
| CYCLOHEXIMIDES | • cycloheximides n. Plural of cycloheximide. • CYCLOHEXIMIDE n. an agricultural fungicide that inhibits protein synthesis and is obtained from a soil bacterium, Streptomyces griseus. |
| HYDROPEROXIDES | • hydroperoxides n. Plural of hydroperoxide. • HYDROPEROXIDE n. a compound containing an O2H group. |
| HYDROXYLAMINES | • hydroxylamines n. Plural of hydroxylamine. • HYDROXYLAMINE n. a colorless odorless nitrogenous base that resembles ammonia in its reactions. |
| HYDROEXTRACTORS | • hydroextractors n. Plural of hydroextractor. • HYDROEXTRACTOR n. a drying machine that works centrifugally. |
| HYDROXYAPATITES | • hydroxyapatites n. Plural of hydroxyapatite. • HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone. |
| HYDROXYPROLINES | • hydroxyprolines n. Plural of hydroxyproline. • HYDROXYPROLINE n. an amino acid. |