| ALPHYL | • ALPHYL n. a univalent radical. |
| BIMETHYL | • bimethyl n. Synonym of dimethyl. • BIMETHYL n. ethane. |
| CHLOROPHYL | • chlorophyl n. Dated form of chlorophyll. • CHLOROPHYL n. the green colouring in plants concerned with the production of sugars, also CHLOROPHYLL. |
| DIETHYL | • diethyl n. (Organic chemistry) Two ethyl groups attached to the same molecule. • DIETHYL n. a compound having two ethyl groups. |
| DIMETHYL | • dimethyl n. (Organic chemistry) (in combination) Two methyl groups in a molecule. • DIMETHYL n. ethane. |
| ETHYL | • ethyl n. (Organic chemistry) The univalent hydrocarbon radical, C2H5, formally derived from ethane by the loss… • Ethyl prop.n. Alternative form of Ethel: a female given name. • ETHYL n. a univalent chemical radical, also ETHINYL, ETHOXY, ETHOXYL, ETHYNYL. |
| MESOPHYL | • mesophyl n. Alternative form of mesophyll. • MESOPHYL n. the soft tissue of a leaf. |
| METHYL | • methyl n. (Organic chemistry) The univalent hydrocarbon radical, CH3-, formally derived from methane by the loss… • methyl- pref. (Organic chemistry) Used to form terms describing the attachment of a methyl group. • METHYL n. the radical (CH3) of wood (or methyl) alcohol. |
| NAPHTHYL | • naphthyl n. (Organic chemistry) Either of two isomeric univalent radicals formally derived from naphthalene by removal… • NAPHTHYL n. a radical derived from naphthalene. |
| PHENYLMETHYL | • phenylmethyl n. (Organic chemistry) Benzyl: the cyclic radical, ion or functional group having the formula C6H5CH2. • PHENYLMETHYL n. an ester of benzene, aka benzyl. |
| PROTHYL | • PROTHYL n. (Greek) a hypothetical source of the chemical elements, also PROTYLE, PROTYL. |
| SPOROPHYL | • sporophyl n. Alternative form of sporophyll. • SPOROPHYL n. a leaf that bears sporangia, also SPOROPHYLL. |
| TETRAETHYL | • tetraethyl n. (Chemistry) Four ethyl groups in a molecule. • TETRAETHYL n. a compound with four ethyl groups. |
| TETRAMETHYL | • tetramethyl n. (Organic chemistry) (in combination) Four methyl groups in a molecule. • TETRAMETHYL adj. as in tetramethyl lead, a colourless oily insoluble liquid formerly used in petrol to prevent knocking. |
| TRIETHYL | • triethyl n. (Organic chemistry, in combination) Three ethyl groups in a compound. • TRIETHYL adj. containing three ethyl groups. |
| TRIMETHYL | • trimethyl n. (Organic chemistry, in combination) Three methyl groups in a molecule. • TRIMETHYL adj. a prefix or combining form (also used adjectively) indicating the presence of three methyl groups. |
| XANTHOPHYL | • xanthophyl n. Dated form of xanthophyll. • XANTHOPHYL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYLL. |