| OPTOMETRISTS | • optometrists n. Plural of optometrist. • OPTOMETRIST n. an ophthalmic optician; a person qualified to practise optometry. |
| ORTHOPTERIST | • orthopterist n. An entomologist who specialises in orthopters. • ORTHOPTERIST n. a student of insects. |
| PHOTOMETRIST | • photometrist n. A specialist in photometry. • PHOTOMETRIST n. one who practises photometry, that branch of science which treats of the measurement of the intensity of light. |
| PHOTOSETTERS | • photosetters n. Plural of photosetter. • PHOTOSETTER n. an apparatus for photosetting. |
| POSTLITERATE | • postliterate adj. After the decline of literacy. • POSTLITERATE adj. relating to or occurring after the introduction of the electronic media. |
| POTENTIATORS | • potentiators n. Plural of potentiator. • POTENTIATOR n. one who potentiates. |
| PRATTLEMENTS | • prattlements n. Plural of prattlement. • PRATTLEMENT n. prattle. |
| PROSTHETISTS | • prosthetists n. Plural of prosthetist. • PROSTHETIST n. one who makes prosthetics. |
| PROTESTATION | • protestation n. A formal solemn objection or other declaration. • protestation n. (Law, historical) A declaration in common-law pleading, by which the party interposes an oblique allegation… • PROTESTATION n. an avowal or solemn declaration. |
| SPLUTTERIEST | • SPLUTTERY adj. given to spluttering. |
| STANDPATTERS | • standpatters n. Plural of standpatter. • STANDPATTER n. (US) one who refuses to accept or consider political change. |
| STEREOTYPIST | • stereotypist n. One who makes stereotype plates, or works in a stereotype foundry. • STEREOTYPIST n. one who makes stereotypes. |
| STREPITATION | • STREPITATION n. a clamour. |
| TETRAPTEROUS | • tetrapterous adj. (Entomology) Having four (two pairs of) wings. • TETRAPTEROUS adj. having four wings, also TETRAPTERAN. |
| THERAPEUTIST | • therapeutist n. Someone who studies, works with, or uses therapeutics; a therapist. • THERAPEUTIST n. a person skilled in therapeutics. |
| TRAINSPOTTER | • trainspotter n. A person whose hobby is train spotting. • trainspotter n. (By extension) An obsessive follower of any minority interest or hobby. • train␣spotter n. (Rail transport) a person whose hobby is train spotting. |
| TROPOSCATTER | • troposcatter n. Tropospheric scatter. • TROPOSCATTER n. the propagation of radio waves by using irregularities in the troposphere to scatter the signals beamed up by means of high-powered UHF transmitters and parabolic antennas. |