| pendular |
of or like a pendulum's motion; swinging back and forth. |
| pendulous |
hanging downward; suspended so as to swing or sway. [2 definitions] |
| pendulum |
a weight suspended on a long cord, wire, or lever so as to swing back and forth under the influence of gravity. |
| peneplain |
in geology, a region that has become almost a flat plain as a result of erosion. |
| penes |
a pl. of penis. |
| penetrable |
capable of being penetrated. |
| penetrate |
to pierce or go into or through; enter or pass through the interior of. [7 definitions] |
| penetrating |
able to penetrate, or seeming to do so; piercing. [2 definitions] |
| penetration |
the act, process, or power of penetrating. [3 definitions] |
| penguin |
any of various large, flightless, aquatic birds of the colder regions of the Southern Hemisphere that have webbed feet and short flipperlike wings. |
| penholder |
a holder into which a pen point fits. [2 definitions] |
| penicillin |
any of several antibiotics derived naturally or synthetically from molds and used to treat various bacterial diseases and infections. |
| penicillium |
any of various blue-green molds found on stale bread, decaying fruit, and the like that are used in the making of cheese and the production of penicillin. |
| peninsula |
an area of land surrounded on nearly all sides by water, and connected to a mainland by a usu. narrow strip of land. |
| penis |
the male genital organ used for copulation and urination. |
| penitence |
the feeling or condition of being penitent; regret for one's wrongdoing. |
| penitent |
feeling or showing sorrow or regret for having done wrong. [3 definitions] |
| penitential |
of, pertaining to, or expressing penitence. [3 definitions] |
| penitentiary |
a prison, esp. one operating under federal or state authority. [4 definitions] |
| penknife |
a small folding knife. |
| penlight |
a small flashlight similar in size and shape to a fountain pen. |