9-letter words containing a, p, t, e, r, i
- spermatia — Botany. the nonmotile male gamete of a red alga.
- spermatic — of, relating to, or resembling sperm; seminal; generative.
- spermatid — Cell Biology. one of the cells that result from the meiotic divisions of a spermatocyte and mature into spermatozoa.
- sphaerite — an aluminium phosphate
- spiraster — a part of a living sponge
- stairstep — a step in a staircase.
- stepchair — a set of steps folding into a chair.
- strapline — a subheading in a newspaper or magazine article or in any advertisement
- tampering — to meddle, especially for the purpose of altering, damaging, or misusing (usually followed by with): Someone has been tampering with the lock.
- taper pin — a short round metal rod having a small amount of taper so that when driven into a hole it tightens on the taper so that it can act as a stop or wedge
- taperwise — in the manner of a taper
- tearstrip — the part of packaging that may be easily torn to open it
- tephigram — a chart depicting variations in atmospheric conditions relative to altitude
- tepidaria — in Ancient Rome, the warm rooms of the baths
- therapist — a person trained in the use of physical methods, as exercises, heat treatments, etc., in treating or rehabilitating the sick or wounded or helping patients overcome physical defects.
- therapsid — any of various groups of mammallike reptiles of the extinct order Therapsida, inhabiting all continents from mid-Permian to late Triassic times, some of which were probably warm-blooded and directly ancestral to mammals.
- time warp — a hypothetical eccentricity in the progress of time that would allow movement back and forth between eras or that would permit the passage of time to be suspended.
- tipperary — a county in Munster province, in the S Republic of Ireland. 1643 sq. mi. (4255 sq. km). County seat: Clonmel.
- transpire — to occur; happen; take place.
- trapezial — Geometry. (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram. a quadrilateral plane figure of which no two sides are parallel. British. trapezoid (def 1a).
- trapezist — a trapeze artist
- trapezium — Geometry. (in Euclidean geometry) any rectilinear quadrilateral plane figure not a parallelogram. a quadrilateral plane figure of which no two sides are parallel. British. trapezoid (def 1a).
- trapezius — a broad, flat muscle on each side of the upper and back part of the neck, shoulders, and back, the action of which raises, or rotates, or draws back the shoulders, and pulls the head backward or to one side.
- trapezoid — Geometry. a quadrilateral plane figure having two parallel and two nonparallel sides. British. trapezium (def 1b).
- trepidant — trepid.
- triparted — divided into three parts.
- tripteral — (of a classical building) having a triple pteron.
- tritanope — a person who cannot distinguish the colour blue
- varityper — a justifying typewriter used to produce copy in various type styles
- waterpick — a portable electric appliance that uses a stream of water under force to remove food particles from between the teeth and to massage the gums.