| PIPEAGES | • pipeages n. Plural of pipeage. • PIPEAGE n. transportation, as of petroleum oil, by means of a pipe conduit; also, the charge for such transportation, also PIPAGE. | 
| PIPECLAY | • pipeclay n. Catlinite. • pipeclay v. (Transitive) To whiten by application of pipeclay. • pipeclay v. (Transitive, slang, dated, UK) To clear off. | 
| PIPEFISH | • pipefish n. A small fish of the seahorse family, having a long thin body covered with partially ossified plates… • PIPEFISH n. any of numerous fishes having a long slender armoured body and a tubular snout. | 
| PIPEFULS | • pipefuls n. Plural of pipeful. • PIPEFUL n. as much as a pipe can hold. | 
| PIPELESS | • pipeless adj. Without pipes. • PIPELESS adj. without a pipe. | 
| PIPELIKE | • pipelike adj. Resembling or characteristic of a pipe. • PIPELIKE adj. like a pipe. | 
| PIPELINE | • pipeline n. A conduit made of pipes used to convey water, gas or petroleum etc. • pipeline n. A channel (either physical or logical) by which information is transmitted sequentially (that is, the… • pipeline n. (Figurative) A system or process through which something is conducted. | 
| PIPERINE | • piperine n. (Organic chemistry) The alkaloid responsible for the pungency of black pepper. • PIPERINE n. an alkaloid found in black pepper. | 
| PIPESTEM | • pipestem n. The hollow stem or tube of a pipe used for smoking tobacco, etc. • pipestem n. The pale bridewort (Spiraea alba). • pipestem n. A driveway that leads to multiple residences, often maintained or owned jointly by the residents along… | 
| PIPETTED | • pipetted v. Simple past tense and past participle of pipet. • PIPETTE v. to transfer, measure, draw off or out, (a liquid or gas) with a pipette. | 
| PIPETTES | • pipettes n. Plural of pipette. • PIPETTE v. to transfer, measure, draw off or out, (a liquid or gas) with a pipette. | 
| PIPEWORK | • pipework n. Any system of pipes or tubes; piping. • pipework n. (Music) The pipes and stops of an organ. • PIPEWORK n. piping or pipes collectively; a vein of ore in the form of a pipe. | 
| PIPEWORT | • pipewort n. Any of several aquatic plants of the genus Eriocaulon. • PIPEWORT n. an aquatic or marsh herb with soft grasslike leaves. | 
| PIPINESS | • pipiness n. The quality of being pipy. • PIPINESS n. the quality of being pipy. | 
| PIPINGLY | • pipingly adv. With a piping sound; with a high pitch. • PIPINGLY adv. shrilly. | 
| PIPPIEST | • PIPPY adj. having pips. |