| ALLOTROPES | • allotropes n. Plural of allotrope. • ALLOTROPE n. an allotropic form of a substance. |
| BLASTOPORE | • blastopore n. (Embryology) The opening into the archenteron. • BLASTOPORE n. the opening of the archenteron in the gastrula that develops into the anus of some animals, also BLASTOPOR. |
| BLASTOPORS | • BLASTOPOR n. the opening of the archenteron in the gastrula that develops into the anus of some animals, also BLASTOPORE. |
| DOORPLATES | • doorplates n. Plural of doorplate. • DOORPLATE n. a plate on a door with a householder's name on it. |
| PORTOLANOS | • portolanos n. Plural of portolano. • PORTOLANO n. (Italian) in the Middle Ages, a navigation manual, also PORTOLAN, PORTULAN. |
| POSTOCULAR | • postocular adj. Situated behind the eyes. • postocular n. Any of the scales lying directly behind and in contact with the eye of a reptile. • POSTOCULAR n. a scale situated behind the eye of some lizards. |
| POSTULATOR | • postulator n. A person who postulates something as the basis of an argument. • postulator n. A Roman Catholic official who makes the case for the beatification or canonization of a proposed saint. • POSTULATOR n. an official who presents case for canonization or beatification. |
| PRACTOLOLS | • PRACTOLOL n. a drug formerly used to treat cardiac arrhythmia. |
| PROLATIONS | • prolations n. Plural of prolation. • PROLATION n. an utterance; the time-ratio of a semibreve to a minim. |
| PROSTOMIAL | • prostomial adj. Relating to the prostomium. • PROSTOMIAL adj. relating to the prostomium, that portion of the head of an annelid situated in front of the mouth. |
| PROTOPLASM | • protoplasm n. (Cytology) The entire contents of a cell comprising the nucleus and the cytoplasm. It is a semi-fluid… • PROTOPLASM n. the complex translucent colourless colloidal material comprising the living part of a cell. |
| PROTOPLAST | • protoplast adj. (Obsolete) Created first; archetypal. • protoplast n. The first-created human; Adam. • protoplast n. (Rare) A prototype or archetype; a model. |
| SPOLIATORS | • spoliators n. Plural of spoliator. • SPOLIATOR n. one who spoliates. |
| SPOLIATORY | • spoliatory adj. Tending to spoil; destructive. • SPOLIATORY adj. tending to spoil, also SPOLIATIVE. |