- Nacreous - Pearly or iridescent like nacre; consisting of/of the nature of nacre (i.e. a morth of pearl).
- Propinquous = propinquitous - That is in propinquity (in various senses); nearby, close at hand.
- Anechoic - Free from echo. (Of structures: tending to deaden sound).
- Brisance - Shattering effect of such high explosives as nitroglycerine / gun-cotton
- Obfuscatory - Intended to confuse/decieve
- Scopophobic - (or scoptophobia) Fear of being seen/stared at by others.
- Infarction - (From OED) The action of stuffing up or condition of being stuffed up, obstruction; concr. the substance with which a vessel or other part is stuffed up, or a portion of tissue thus affected (= infarct n.). Now usually restricted to morbid conditions of the tissues resulting from obstruction of the circulation, as by an embolus.