| CONSTRICTORS | • constrictors n. Plural of constrictor. • CONSTRICTOR n. a muscle that contracts a cavity or orifice or compresses an organ. |
| CONSTRUCTORS | • constructors n. Plural of constructor. • CONSTRUCTOR n. one who constructs, also CONSTRUCTER. |
| CONTRIBUTORS | • contributors n. Plural of contributor. • CONTRIBUTOR n. one who contributes. |
| COTRANSPORTS | • cotransports v. Third-person singular simple present indicative form of cotransport. • COTRANSPORT v. to transport jointly. |
| COUNTERFORTS | • counterforts n. Plural of counterfort. • COUNTERFORT n. a buttress or arch supporting a retaining wall. |
| DEMONSTRATOR | • demonstrator n. One who demonstrates anything, or proves beyond doubt. • demonstrator n. The forefinger. • demonstrator n. One who takes part in a demonstration; a protester. |
| EXTORTIONERS | • extortioners n. Plural of extortioner. • EXTORTIONER n. one who practises extortion. |
| GERONTOCRATS | • gerontocrats n. Plural of gerontocrat. • GERONTOCRAT n. a member of a gerontocracy, government by the aged. |
| NORTHERNMOST | • northernmost adj. Farthest north. • NORTHERNMOST adj. most northerly, also NORTHERMOST, NORTHMOST. |
| ORNITHOPTERS | • ornithopters n. Plural of ornithopter. • ORNITHOPTER n. a birdlike archaic flying machine. |
| ORTHOCENTERS | • orthocenters n. Plural of orthocenter. • ORTHOCENTER n. the point of intersection of the altitudes of a triangle, also ORTHOCENTRE. |
| ORTHOCENTRES | • orthocentres n. Plural of orthocentre. • ORTHOCENTRE n. the point of intersection of the altitudes of a triangle, also ORTHOCENTER. |
| ORTHOPTERANS | • orthopterans n. Plural of orthopteran. • ORTHOPTERAN n. any member of the Orthoptera, an order of mandibulate insects, also ORTHOPTERON. |
| PROSTRATIONS | • prostrations n. Plural of prostration. • PROSTRATION n. the act of assuming a prostrate position. |
| PROTRACTIONS | • protractions n. Plural of protraction. • PROTRACTION n. the act of protracting. |
| REMONSTRATOR | • remonstrator n. One who remonstrates. • REMONSTRATOR n. one who remonstrates. |
| RESTORATIONS | • restorations n. Plural of restoration. • RESTORATION n. a bringing back to a former position or condition, also RESTORAL. |
| RETROACTIONS | • retroactions n. Plural of retroaction. • RETROACTION n. acting backward. |
| THYROTROPINS | • thyrotropins n. Plural of thyrotropin. • THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN. |
| TRIMETROGONS | • trimetrogons n. Plural of trimetrogon. • TRIMETROGON n. a technique of aerial photography using three cameras, which increases the range and detail of the coverage. |