| APERIODIC | • aperiodic adj. That does not recur periodically. • aperiodic adj. (Physics) That does not have a periodic vibration. • aperiodic adj. (Mathematics, stochastic processes, of a state) for which any return to it may occur at irregular times; not periodic. |
| EPICORMIC | • epicormic adj. (Botany) Of a sprout: growing from a dormant, adventitious bud on the trunk of a tree. • EPICORMIC adj. denoting shoots that grow from buds below the bark on the trunk or branch of a tree. |
| IRISCOPES | • iriscopes n. Plural of iriscope. • IRISCOPE n. an instrument showing colours of a prism. |
| OPACIFIER | • opacifier n. (Chemistry) a chemical agent added to a material, such as rocket propellant, to make it opaque. • opacifier n. (Figuratively) an extraneous agent or vehicle which, intentionally otherwise, makes something opaque. • OPACIFIER n. something that opacifies. |
| OPIFICERS | • opificers n. Plural of opificer. • OPIFICER n. (obsolete) an artificer. |
| PERICOPIC | • pericopic adj. Of or pertaining to a pericope. • PERICOPIC adj. relating to a pericope, an excerpt or passage read during religious services, also PERICOPAL. |
| PERIDOTIC | • peridotic adj. Of or relating to peridot. • PERIDOTIC adj. relating to peridot. |
| PERIOTICS | • periotics n. Plural of periotic. • PERIOTIC n. a bone of the middle ear. |
| PEROXIDIC | • peroxidic adj. Of, relating to, or involving a peroxide. • PEROXIDIC adj. relating to a peroxide, an oxide with the highest proportion of oxygen. |
| PICOCURIE | • picocurie n. The unit of radioactivity equal to 10-12 curies: symbol pCi. • PICOCURIE n. a millionth of a millionth of a curie. |
| PISCIVORE | • piscivore n. A fish eater. • PISCIVORE n. an eater of fish. |
| POLICIERS | • policiers n. Plural of policier. • POLICIER n. a film featuring police investigating crimes. |
| PREBIOTIC | • prebiotic n. (Chiefly in the plural) A substance in food that is hard to digest and promotes the growth of beneficial… • prebiotic adj. Before the advent of life. • prebiotic adj. (Of a food) Not digestible, but beneficial. |
| PRECISION | • precision n. The state of being precise or exact; exactness. • precision n. The ability of a measurement to be reproduced consistently. • precision n. (Mathematics) The number of significant digits to which a value may be measured reliably. |
| PROLICIDE | • prolicide n. (Uncountable) The crime of destroying one’s offspring, either in the womb or after birth. • prolicide n. (Countable) One who commits prolicide. • PROLICIDE n. killing of offspring; killing of the human race. |
| PROTEINIC | • proteinic adj. Proteinaceous. • PROTEINIC adj. relating to protein. |
| SPORICIDE | • sporicide n. A substance that kills spores. • SPORICIDE n. a substance that kills spores. |