| AEOLOTROPY | • aeolotropy n. (Physics) The phenomenon whereby the physical properties (e.g, electric conductivity, refractive index)… • æolotropy n. Alternative spelling of aeolotropy. • AEOLOTROPY n. variation in physical properties on basis of position. |
| APOSPOROUS | • aposporous adj. (Botany) relating to apospory. • APOSPOROUS adj. showing apospory, the development of prothalli from direct outgrowths from the fern frond. |
| APOTROPOUS | • APOTROPOUS adj. anatropous with a ventral raphe. |
| COMPOTATOR | • compotator n. One who drinks (alcoholic beverages) with another; a fellow drinker. • COMPOTATOR n. one who drinks with another. |
| COOPERATOR | • cooperator n. One who cooperates; an associate. • coöperator n. Alternative spelling of cooperator. • co-operator n. Alternative spelling of cooperator. |
| CORPORATOR | • corporator n. (Dated) A member of a corporation, especially one of the original members. • CORPORATOR n. a member of a corporation, esp. one of the original members. |
| ORPHANHOOD | • orphanhood n. The state of being an orphan; the losing of both parents through their death. • ORPHANHOOD n. the state of being an orphan, also ORPHANISM. |
| ORTHOPNOEA | • orthopnoea n. Shortness of breath when lying flat, causing the person to have to sleep propped up in bed or sitting in a chair. • orthopnœa n. Obsolete spelling of orthopnoea. • ORTHOPNOEA n. the ability to breathe in an upright position only. |
| PORNOTOPIA | • pornotopia n. A fantasy world in which everyone is ready and willing to indulge in all kinds of sexual activity. • PORNOTOPIA n. a perfect setting for the antics of pornography. |
| PORTOLANOS | • portolanos n. Plural of portolano. • PORTOLANO n. (Italian) in the Middle Ages, a navigation manual, also PORTOLAN, PORTULAN. |
| PROTOZOANS | • protozoans n. Plural of protozoan. • PROTOZOAN n. any member of the Protozoa, also PROTOZOON. |
| PROVOCATOR | • provocator n. One who engages in provocation. • PROVOCATOR n. one who provokes. |
| RADIOPHOTO | • radiophoto n. A radiophotograph. • RADIOPHOTO n. a picture transmitted by radio. |
| SPOROGONIA | • sporogonia n. Plural of sporogonium. • SPOROGONIUM n. an organ that produces asexual spores in mosses. |
| SPOROZOANS | • sporozoans n. Plural of sporozoan. • SPOROZOAN n. any parasitic protozoan of the class Sporozoa, including the causal organisms of malaria and pebrine, also SPOROZOON. |