| AECIOSPORE | • aeciospore n. (Botany) A binucleate spore of a rust fungus, formed in a chainlike series in an aecium. • æciospore n. Obsolete spelling of aeciospore. • AECIOSPORE n. a spore produced in an aecidium, also AECIDOSPORE. |
| HELIOTROPE | • heliotrope n. (Botany) A plant that turns so that it faces the sun. • heliotrope n. A light purple or violet colour. • heliotrope n. The fragrance of heliotrope flowers. |
| IONOSPHERE | • ionosphere n. The part of the Earth’s atmosphere beginning at an altitude of about 50 kilometers (31 miles) and extending… • ionosphere n. The similar region of the atmosphere of another planet. • IONOSPHERE n. a region of the upper atmosphere. |
| MEIOSPORES | • meiospores n. Plural of meiospore. • MEIOSPORE n. a haploid spore. |
| OPISOMETER | • opisometer n. A device for measuring the length of curved lines, such as on a map. • OPISOMETER n. an instrument for measuring curved lines. |
| OPSIOMETER | • opsiometer n. An old instrument for measuring vision and determining the focal length of a lens that can correct an… • OPSIOMETER n. an instrument for testing vision. |
| ORTHOEPIES | • orthoepies n. Plural of orthoepy. • ORTHOEPY n. the study of correct pronunciation. |
| OVERPOISED | • overpoised v. Simple past tense and past participle of overpoise. • OVERPOISE v. to burden with weight sufficient to weigh another down. |
| OVERPOISES | • overpoises v. Third-person singular simple present indicative form of overpoise. • OVERPOISE v. to burden with weight sufficient to weigh another down. |
| PENSIEROSO | • PENSIEROSO adj. (Italian) melancholy, thoughtful, also PENSEROSO. |
| PEREIOPODS | • pereiopods n. Plural of pereiopod. • PEREIOPOD n. each of the eight walking limbs of a crustacean such as a crab or lobster, growing from the thorax, also PERAEOPOD, PEREOPOD. |
| PEROXISOME | • peroxisome n. (Cytology) An intracellular organelle found in all eukaryotes (except Archezoa) which is the source… • PEROXISOME n. an organelle containing enzymes. |
| SPOOFERIES | • spooferies n. Plural of spoofery. • SPOOFERY n. good-natured ridicule. |
| SPOOKERIES | • spookeries n. Plural of spookery. • SPOOKERY n. something spooky. |
| TELIOSPORE | • teliospore n. A teleutospore. • TELIOSPORE n. the thick-walled resting spore of rusts and smuts from which the basidium arises. |
| UROPOIESES | • UROPOIESIS n. the formation of urine. |