| AMBROTYPES | • ambrotypes n. Plural of ambrotype. • AMBROTYPE n. a picture taken on a plate of prepared glass, in which the lights are represented in silver, and the shades are produced by a dark background visible through the un-silvered portions of the glass. |
| AMETROPIAS | • ametropias n. Plural of ametropia. • AMETROPIA n. abnormal optical refraction. |
| ATMOSPHERE | • atmosphere n. The gases surrounding the Earth or any astronomical body. • atmosphere n. The air in a particular place. • atmosphere n. (Figuratively) The conditions (Such as music, illumination etc.) that can influence the mood felt in an environment. |
| COMPACTERS | • compacters n. Plural of compacter. • COMPACTER n. one who compacts, also COMPACTOR. |
| EMPLASTRON | • emplastron n. (Medicine, archaic) A plaster. • EMPLASTRON n. a medicated plaster, also EMPLASTRUM. |
| IMPERATORS | • imperators n. Plural of imperator. • IMPERATOR n. (Latin) a commander; an emperor. |
| MOUSETRAPS | • mousetraps n. Plural of mousetrap. • mousetraps v. Third-person singular simple present indicative form of mousetrap. • MOUSETRAP v. to catch in a mousetrap. |
| PERISTOMAL | • peristomal adj. Of or pertaining to a peristome. • PERISTOMAL adj. relating to the peristome, the area, or a structure, surrounding a mouth, also PERISTOMATIC, PERISTOMIAL. |
| PERMAFROST | • permafrost n. Permanently frozen ground, or a specific layer thereof. • PERMAFROST n. permanently frozen subsoil. |
| PERMEATORS | • permeators n. Plural of permeator. • PERMEATOR n. something or someone that permeates. |
| PETROGRAMS | • petrograms n. Plural of petrogram. • PETROGRAM n. a picture on stone. |
| POSTMARKED | • postmarked v. Simple past tense and past participle of postmark. • POSTMARK v. to stamp mail with an official mark. |
| POSTMASTER | • postmaster n. The head of a post office. • postmaster n. (Internet) The administrator of an electronic mail system. • postmaster n. (Britain) A kind of scholar at Merton College, Oxford; portionist. |
| PREFORMATS | • preformats v. Third-person singular simple present indicative form of preformat. • PREFORMAT v. to format in advance. |
| PROTAMINES | • protamines n. Plural of protamine. • PROTAMINE n. any of a class of simple basic proteins which occur combined with nucleic acids (esp. in fish sperm), also PROTAMIN. |
| RECOMPACTS | • recompacts v. Third-person singular simple present indicative form of recompact. • RECOMPACT v. to compact or join anew. |
| SMARTPHONE | • smartphone n. A mobile phone with more advanced features and greater computing capacity than a featurephone. • smart␣phone n. Alternative form of smartphone. • SMARTPHONE n. a portable device combining a mobile phone and a computer. |
| SUPERATOMS | • superatoms n. Plural of superatom. • SUPERATOM n. a cluster of atoms behaving like a single atom. |
| TREPONEMAS | • treponemas n. Plural of treponema. • TREPONEMA n. a kind of bacterium, a spirochaete, that causes syphilis, also TREPONEME. |