| pion |
any of three subatomic particles in the nucleus of an atom that have a positive, negative, or neutral charge and a mass 270 times that of an electron. |
| pioneer |
someone who explores or goes to live in a place previously unexplored or uninhabited by many of his or her culture. [7 definitions] |
| pious |
devoted to and dutiful toward a god or gods; religious. [4 definitions] |
| pip1 |
a small spot, such as one of the dots on a die or domino, or one of the suit markings on a playing card. |
| pip2 |
an infectious disease of fowl and other birds that causes an accumulation of mucus in the throat. |
| pip3 |
any small seed, such as one from a grapefruit or apple. |
| pip4 |
to make a noise of or like that of a baby bird; chirp; peep. [3 definitions] |
| pip5 |
(slang) any minor human illness. |
| pipe1 |
a usu. cylindrical tube of metal, plastic, wood, animal or plant tissue, or other material, through which a gas or liquid may flow. [13 definitions] |
| pipe2 |
a unit of capacity equal to about 126 gallons, used for measuring wine, oil, and the like. [2 definitions] |
| pipe bomb |
a crude homemade bomb made of a length of metal pipe into which an explosive charge is inserted. |
| pipe clay |
a fine, exceptionally plastic white clay that is used to make tobacco pipes, print calico, and whiten leather. |
| pipe cleaner |
a short length of wire, twisted to secure small tufts of yarn along its length, that is used to clean tobacco residue from the stems of pipes. |
| pipe cutter |
a tool consisting of a curved jaw fitted with one or more sharp-edged disks that cuts metal pipes by being rotated around them. |
| pipe dream |
a wishful fantasy or vain hope. |
| pipefish |
any of various elongated, bony-plated fishes found in marine or fresh waters that have tube-shaped snouts. |
| pipe fitter |
a skilled worker who installs and maintains pipes in plumbing, refrigeration, and heating systems. |
| pipeful |
a quantity of tobacco sufficient to fill a pipe. |
| pipeline |
a long, usu. capacious pipe for moving water, oil, gas, or the like, usu. from the point of production to a point of use or marketing. [3 definitions] |
| pipe organ |
see "organ." |
| piper |
someone who produces music using a pipe. |