| ABSTRACTIONISTS | • abstractionists n. Plural of abstractionist. • ABSTRACTIONIST n. a practitioner of abstractionism. |
| CASTRAMETATIONS | • castrametations n. Plural of castrametation. • CASTRAMETATION n. the art of laying out a camp. |
| FEATHERSTITCHES | • featherstitches n. Plural of featherstitch. • featherstitches v. Third-person singular simple present indicative form of featherstitch. • FEATHERSTITCH n. an embroidery stitch consisting of a line of diagonal blanket stitches worked alternately to the left and right. |
| INTERACTIONISTS | • interactionists n. Plural of interactionist. • INTERACTIONIST n. a believer in interactionism, the belief that mind and body act on each other. |
| OSTEOARTHRITICS | • osteoarthritics n. Plural of osteoarthritic. • OSTEOARTHRITIC n. one suffering from osteoarthritis. |
| PANTISOCRATISTS | • pantisocratists n. Plural of pantisocratist. • PANTISOCRATIST n. an upholder of pantisocracy, government by all equally. |
| PROSTATECTOMIES | • prostatectomies n. Plural of prostatectomy. • PROSTATECTOMY n. the surgical removal of the prostate gland. |
| QUATTROCENTISMS | • QUATTROCENTISM n. the spirit of the fifteenth century in reference to Italian art and literature. |
| QUATTROCENTISTS | • quattrocentists n. Plural of quattrocentist. • QUATTROCENTIST n. an artist who flourished in the fifteenth century in reference to Italian art and literature. |
| STRAIGHTJACKETS | • STRAIGHTJACKET n. a straitjacket. |
| STRAITWAISTCOAT | • straitwaistcoat n. (Now rare) A straitjacket. • STRAITWAISTCOAT n. a straitjacket. |
| STRATICULATIONS | • STRATICULATION n. the state of being straticulate. |
| STRATIFICATIONS | • stratifications n. Plural of stratification. • STRATIFICATION n. (geology) the accumulation of material in layers or beds. |
| TERATOGENICISTS | • TERATOGENICIST n. one who studies teratogens. |
| TETRABASICITIES | • TETRABASICITY n. the state of being tetrabasic. |
| TRANSMITTANCIES | • TRANSMITTANCY n. a measure of the extent to which a solution transmits radiation. |
| ULTRASTRUCTURES | • ultrastructures n. Plural of ultrastructure. • ULTRASTRUCTURE n. biological structure and esp. fine structure, as of a cell, not visible through an ordinary microscope. |