| pennyroyal |
either of two herbaceous, aromatic plants that yield pungent oils. |
| pennyweight |
a unit of weight equal to twenty-four troy weight grains, 1.555 grams, or one twentieth of an ounce. |
| penny-wise |
skilled or careful in small or trivial matters, or matters that concern small amounts of money. (Cf. pound-foolish.) |
| pennyworth |
any quantity that may be bought for a penny. [2 definitions] |
| penology |
the study and practice of criminal punishment and rehabilitation, and of prison management. |
| pen pal |
a person who exchanges letters regularly with someone else usu. living so far away that a personal meeting is unlikely. |
| pension |
a sum of money paid regularly by the government or a former employer as a retirement or disability benefit. [4 definitions] |
| pensionable |
combined form of pension. |
| pensioner |
someone who receives a regular payment because of retirement or disability; person who collects a pension. |
| pensionless |
combined form of pension. |
| pensive |
thoughtful in a sad or deeply serious way. [2 definitions] |
| penstock |
a gate or sluice that controls a flow of water. [2 definitions] |
| pent |
a past tense and past participle of pen2. [2 definitions] |
| penta- |
five. |
| pentacle |
a five-pointed star with lines passing through the interior to form a regular pentagon. |
| pentad |
a group of five. [3 definitions] |
| pentagon |
a polygon with five sides and five angles. [2 definitions] |
| pentahedron |
a solid having five plane surfaces. |
| pentamerous |
consisting of five parts or divisions. |
| pentameter |
a line of verse consisting of five metrical feet. [2 definitions] |
| pentane |
any of three colorless liquid isomeric hydrocarbons of the methane series. |