| DIPHENHYDRAMINE | • diphenhydramine n. (Pharmacology) An antihistamine and anticholinergic drug that blocks the effect of histamine at H1 receptor… • DIPHENHYDRAMINE n. a type of antihistamine. |
| HEMATOPORPHYRIN | • hematoporphyrin n. (Biochemistry) The porphyrin portion of heme (minus the iron atom). • HEMATOPORPHYRIN n. any of several porphyrins that are hydrated derivatives of protoporphyrins. |
| HIGHWAYMEN | • highwaymen n. Plural of highwayman. • HIGHWAYMAN n. a thief who robs travellers on a road. |
| HYDROMECHANICAL | • hydromechanical adj. Of or pertaining to hydromechanics. • HYDROMECHANICAL adj. relating to a branch of mechanics that deals with the equilibrium and motion of fluids and of solid bodies immersed in them. |
| HYDROMECHANICS | • hydromechanics n. (Physics) fluid mechanics, especially when dealing with water. • HYDROMECHANICS n. the study of movement in liquids, also HYDRODYNAMICS. |
| HYMNOGRAPHIES | • HYMNOGRAPHY n. the study of writing hymns. |
| METHYLPHENIDATE | • methylphenidate n. (Medicine) A stimulant used to treat attention deficit hyperactivity disorder and narcolepsy, better… • METHYLPHENIDATE n. a stimulant used in treating attention deficit disorder. |
| METHYLXANTHINE | • methylxanthine n. (Organic chemistry) Any of a group of compounds, such as caffeine, formed through the methylation of xanthines. • METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline. |
| METHYLXANTHINES | • methylxanthines n. Plural of methylxanthine. • METHYLXANTHINE n. a methylated xanthine derivative, such as caffeine, theobromine, or theophylline. |
| NAPHTHYLAMINE | • naphthylamine n. (Organic chemistry) Either of two isomeric primary amines derived from naphthalene; they occur in crude… • NAPHTHYLAMINE n. either of two isomeric crystalline bases used esp. as dye intermediates. |
| NAPHTHYLAMINES | • naphthylamines n. Plural of naphthylamine. • NAPHTHYLAMINE n. either of two isomeric crystalline bases used esp. as dye intermediates. |
| PHENETHYLAMINE | • phenethylamine n. (Uncountable, organic chemistry) An aromatic amine which is a colorless liquid at room temperature. • phenethylamine n. (Countable, organic chemistry) Any of a group of compounds derived from that amine. • phenethylamine n. (Biochemistry) A monoamine neurotransmitter and neuromodulator found in the brain. |
| PHENETHYLAMINES | • phenethylamines n. Plural of phenethylamine. |
| PLATYHELMINTH | • platyhelminth n. Any flatworm of the phylum Platyhelminthes. • PLATYHELMINTH n. a tapeworm or planarian. |
| PLATYHELMINTHIC | • platyhelminthic adj. Of or relating to the platyhelminths. • PLATYHELMINTHIC adj. of or like a platyhelminth. |
| PLATYHELMINTHS | • platyhelminths n. Plural of platyhelminth. • PLATYHELMINTH n. a tapeworm or planarian. |