| CATASTROPHIST | • catastrophist adj. Of, having, or being a theory that explains a situation by positing one or more catastrophic events… • catastrophist n. A catastrophist person: a person who subscribes to a catastrophist theory. • CATASTROPHIST n. a believer in catastrophism. |
| LITHOTRITISES | • lithotritises v. Third-person singular simple present indicative form of lithotritise. • LITHOTRITISE v. to perform a lithotrity, also LITHOTRITIZE. |
| LITHOTRITISTS | • lithotritists n. Plural of lithotritist. • LITHOTRITIST n. one who performs a lithotrity. |
| ORTHODONTISTS | • orthodontists n. Plural of orthodontist. • ORTHODONTIST n. one who practises orthodontics. |
| ORTHOPTERISTS | • orthopterists n. Plural of orthopterist. • ORTHOPTERIST n. a student of insects. |
| OSTEOPATHISTS | • osteopathists n. Plural of osteopathist. • OSTEOPATHIST n. a practitioner of osteopathy, also OSTEOPATH. |
| PHOTOMETRISTS | • photometrists n. Plural of photometrist. • PHOTOMETRIST n. one who practises photometry, that branch of science which treats of the measurement of the intensity of light. |
| PHOTOSETTINGS | • PHOTOSETTING n. composing (matter) by projecting film from which a printing plate is made. |
| SILHOUETTISTS | • silhouettists n. Plural of silhouettist. • SILHOUETTIST n. one who makes silhouettes. |
| STETHOSCOPIST | • stethoscopist n. One skilled in the use of the stethoscope. • STETHOSCOPIST n. one who uses a stethoscope. |
| TETRASTICHOUS | • tetrastichous adj. (Botany) Arranged in four vertical rows. • TETRASTICHOUS adj. having four rows. |
| THEOREMATISTS | • theorematists n. Plural of theorematist. • THEOREMATIST n. one who creates theorems. |
| THERMOSTATICS | • thermostatics n. (Physics) The part of thermodynamics that deals with reversible or infinitesimally small changes. • THERMOSTATICS n. the branch of science concerned with thermal equilibrium. |