13-letter words containing d, y, t, i, s
- scoping study — a preliminary study to define the scope of a project
- sedimentology — the study of sedimentary rocks.
- self-identify — identify (defs 7, 8): to self-identify as gay; to self-identify with others in the same situation.
- self-identity — the identity or consciousness of identity of a thing with itself.
- semisedentary — partially or somewhat sedentary
- seventy-third — next after the seventy-second; being the ordinal number for 73.
- shunting yard — a place where railway coaches are manoeuvred
- sigmoidectomy — surgical removal of the sigmoid colon
- silk industry — the industry that is involved with the breeding of silkworms and the manufacture of the silk they produce into thread and fabric
- sodomitically — in a sodomitical manner
- solderability — the characteristic of being solderable
- spheroidicity — a spheroidal state or form.
- sporting lady — a prostitute.
- spreadability — capable of being spread; easily spread: a soft, spreadable cheese.
- sprint medley — a medley relay in which the first member of a team runs 440 yards, the second and third members run 220 yards each, and the fourth member runs 880 yards.
- standing army — a permanently organized military force maintained by a nation.
- striped hyena — a hyena, Hyaena hyaena, of northern Africa, Arabia, and India, having a grayish coat with distinct blackish stripes.
- superfluidity — a fluid that exhibits frictionless flow, very high heat conductivity, and other unusual physical properties, helium below 2.186 K being the only known example.
- synarthrodial — synarthrosis.
- synodic month — Also called calendar month. any of the twelve parts, as January or February, into which the calendar year is divided.
- syrian desert — a desert in N Saudi Arabia, SE Syria, W Iraq, and NE Jordan. About 125,000 sq. mi. (323,750 sq. km).
- thirty-second — next after the thirty-first; being the ordinal number for 32.
- this day week — a week (counting backward or forward) from today (or yesterday, etc.)
- triglycerides — an ester obtained from glycerol by the esterification of three hydroxyl groups with fatty acids, naturally occurring in animal and vegetable tissues: an important energy source forming much of the fat stored by the body.
- undisturbedly — in an undisturbed manner
- unsymmetrized — not made symmetrical; not symmetrized
- vitreous body — a transparent gelatinous substance, permeated by fine fibrils, that fills the interior of the eyeball between the lens and the retina