16-letter words containing d, i, s, p, r
- sodium perborate — a white, crystalline, water-soluble solid, NaBO 2 ⋅3H 2 O or NaBO 3 ⋅4H 2 O, used chiefly as a bleaching agent and antiseptic.
- solid dispersion — Solid dispersion is the process of dispersing a solid through a liquid in order to increase contact.
- solid propellant — a rocket propellant in solid form, usually containing a mixture or combination of fuel and oxidizer.
- special delivery — (in the U.S. Postal Service) delivery of mail outside the regularly scheduled hours, by a special messenger, upon the payment of an extra fee.
- speed networking — the practice of trying to form business connections and contacts through meetings at which individuals are given the opportunity to have several conversations of limited duration with strangers
- spiny-rayed fish — any of various fishes, as basses and perches, that have sharp, often pointed and usually rigid fin spines.
- spreader-ditcher — a machine for shaping and cleaning roadbeds and ditches and for freeing tracks of ice and snow by plowing and digging.
- spreading center — a linear zone in the sea floor along which magma rises and from which adjacent crustal plates are moving apart.
- spreading factor — a substance, as hyaluronidase, that promotes the diffusion of a material through body tissues
- stage production — a play or show which is performed on stage
- standing cypress — a plant, Ipomopsis rubra, of the southern U.S., having feathery leaves and clusters of red and yellow flowers.
- stop-limit order — stop order.
- striped squirrel — any squirrel with stripes on its back, as a chipmunk.
- stroboradiograph — a stroboscopic radiograph.
- studio apartment — an apartment consisting of one main room, a kitchen or kitchenette, and a bathroom. Compare efficiency apartment.
- sulphur trioxide — a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3
- sun in splendour — a representation of the sun with rays and a human face
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
- to dip your toes — If you dip your toes into something or dip your toes into the waters of something, you start doing that thing slowly and carefully, because you are not sure whether it will be successful or whether you will like it.
- top drive system — A top drive system is a system which includes a motor that turns the drill string, used instead of the kelly.
- torsion pendulum — a pendulum the weight of which is rotated alternately in opposite directions through a horizontal plane by the torsion of the suspending rod or spring: used for clocks intended to run a long time between windings.
- transpeptidation — the process of transferring an amino acid or group of amino acids from one compound to another.
- trap-door spider — any of several burrowing spiders, of the family Ctenizidae, that construct a tubular nest with a hinged lid.
- turn upside down — invert
- underconsumption — the act of consuming, as by use, decay, or destruction.
- united provinces — (used with a singular or plural verb) former name of Uttar Pradesh.
- unpublished work — a literary work that has not been reproduced for sale or publicly distributed.
- upland sandpiper — a large, field-inhabiting sandpiper, Bartramia longicauda, of eastern North America, resembling a plover: now protected and increasing in numbers.
- videodisc player — an electronic device for playing videodiscs through a television set.
- west springfield — a city in SW Massachusetts, near Springfield.
- whited sepulcher — an evil person who feigns goodness; hypocrite. Matt. 23:27.
- whited sepulchre — hypocrite
- windfall profits — Windfall profits are excessive profits with a non-business cause such as a natural disaster.
- windscreen wiper — A windscreen wiper is a device that wipes rain from a vehicle's windscreen.
- windshield wiper — an electrically or pneumatically operated device consisting of a squeegee connected to a mechanical arm designed to wipe off rain, snow, etc., from a windshield or rear window.
- windward passage — a strait in the West Indies, between Cuba and Haiti. 50 miles (80 km) wide.
- wisconsin rapids — a city in central Wisconsin.
- with due respect — with deserved esteem
- world exposition — world's fair.