| proton |
a tiny particle in the nucleus of an atom. A proton has a positive electrical charge. |
| protoplasm |
a substance that is like a jelly and is a necessary part of plant and animal cells. |
| protozoan |
a tiny living thing that is similar to an animal but has only one cell or lives as a colony of single cells. Protozoans include amoebas and paramecia. |
| protrude |
to push or stick out. |
| proud |
feeling pleased, satisfied, and worthy because of something one owns or has done. [3 definitions] |
| proudly |
with a feeling or display of pride. |
| prove |
to show to be true or correct. [3 definitions] |
| proven |
a past participle of "prove." |
| proverb |
a short, often-used saying that expresses something wise or true. |
| provide |
to give what is needed; supply. [4 definitions] |
| provided |
on the condition that; only if. |
| Providence |
the capital of Rhode Island. |
| province |
one of the divisions of some countries, each with its own government. [3 definitions] |
| provincial |
of or having to do with a province. |
| provision |
the act of giving something needed; providing. [4 definitions] |
| provoke |
to make angry, annoyed, or emotional; bring to action. [3 definitions] |
| prow |
the pointed, front part of a ship or boat that can be seen above the water line. |
| prowl |
to move around slowly and secretly, like an animal looking for prey. [3 definitions] |
| prudence |
good judgment and caution; sensibleness. |
| prudent |
showing good judgment and caution; sensible. |
| prune1 |
a plum that has been dried. |