12-letter words containing d, i, s, m, o
- semi-nomadic — of, relating to, or characteristic of nomads.
- semideponent — (of a Latin verb) active in meaning but passive in form in the perfect tense
- semidominant — producing an intermediate, heterozygous phenotype
- shittim wood — the wood, probably acacia, of which the ark of the covenant and various parts of the tabernacle were made. Ex. 25, 26.
- siderochrome — any of various chemical compounds functioning in the transport of iron in bacteria.
- silver mound — a perennial Japanese herb, Artemisia schmidtiana, having silver-green leaves forming a moundlike shape.
- single modal — modal (def 3).
- smallholding — a piece of land rented or sold to a farmer by county authorities for purposes of cultivation.
- sober-minded — rational; sensible.
- social media — websites and other online means of communication that are used by large groups of people to share information and to develop social and professional contacts: Many businesses are utilizing social media to generate sales.
- sodium amide — a white, crystalline, water-insoluble, flammable powder, NaNH 2 , used chiefly in the manufacture of sodium cyanide and in organic synthesis.
- sodium light — the light produced by a sodium lamp
- spermatocide — spermicide.
- spermatozoid — a motile male gamete produced in an antheridium.
- storm window — a supplementary window sash for protecting a window against drafts, driving rain, etc.
- sub-mediocre — of only ordinary or moderate quality; neither good nor bad; barely adequate: The car gets only mediocre mileage, but it's fun to drive. Synonyms: undistinguished, commonplace, pedestrian, everyday; run-of-the-mill. Antonyms: extraordinary, superior, uncommon, incomparable.
- subabdominal — below or beneath the abdomen
- sulphonamide — any of a class of organic compounds that are amides of sulphonic acids containing the group –SO2NH2 or a group derived from this. An important class of sulphonamides are the sulfa drugs
- superimposed — (of a stream or drainage system) having a course not adjusted to the structure of the rocks presently undergoing erosion but determined rather by a prior erosion cycle or by formerly overlying rocks or sediments.
- superkingdom — in some systems of biological classification, either of the two major subdivisions, prokaryote or eukaryote, into which all living organisms can be placed
- surinam toad — a South American aquatic frog, Pipa pipa, the female of which carries the eggs and tadpoles in small depressions on its back.
- synecdochism — the use of synecdoche
- time deposit — a deposit that can be withdrawn by the depositor only after giving advance notice or after an agreed period of time has elapsed.
- troglodytism — the condition of being a troglodyte
- trombidiasis — infestation with mites of the family Trombiculidae
- unadmonished — not admonished, counselled, or warned
- unimprisoned — not confined in a prison
- widow's mite — a small contribution given cheerfully by one who can ill afford it. Mark 12:41–44.
- wisdom teeth — the third molar on each side of the upper and lower jaws: the last tooth to erupt.
- wisdom tooth — the third molar on each side of the upper and lower jaws: the last tooth to erupt.
- wordsmithery — the craft or skill of a wordsmith
- wordsmithing — Present participle of wordsmith.
- wormseed oil — chenopodium oil.