20-letter words containing h, o, l, i, d
- spiral of archimedes — a curve that is the locus of a point that moves outward with uniform speed along a vector, beginning at the origin, while the vector rotates about the origin with uniform angular velocity. Equation (in polar coordinates): r = aθ.
- stockholders' equity — the net assets of a corporation as owned by stockholders in capital stock, capital surplus, and undistributed earnings.
- tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
- the last word in sth — If you say that something is the last word in luxury, comfort, or some other quality, you are emphasizing that it has a great deal of this quality.
- the whole nine yards — everything that is required; the whole thing
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
- to hit the headlines — Someone or something that hits the headlines or grabs the headlines gets a lot of publicity from the media.
- to let the side down — If you say that someone has let the side down, you mean that they have embarrassed their family or friends by behaving badly or not doing well at something.
- to look high and low — If you say that you looked high and low for something, you are emphasizing that you looked for it in every place that you could think of.
- tribromoacetaldehyde — bromal.
- trichloroacetic acid — a toxic, deliquescent, and colorless crystalline compound, C 2 HCl 3 O 2 , soluble in water, alcohol, and ether: used in the synthesis of pharmaceuticals, herbicides, and other chemicals, and as a reagent for the detection of albumin. Abbreviation: TCA.
- twiddle one's thumbs — to turn about or play with lightly or idly, especially with the fingers; twirl.
- twilight of the gods — Götterdämmerung.
- unified field theory — electroweak theory.
- uranium hexafluoride — a colorless, water-insoluble, crystalline, volatile solid, UF 6 , used in its gaseous state in separating uranium 235 from uranium.
- white-flowered gourd — the hard-shelled fruit of any of various plants, especially those of Lagenaria siceraria (white-flowered gourd or bottle gourd) whose dried shell is used for bowls and other utensils, and Cucurbita pepo (yellow-flowered gourd) used ornamentally. Compare gourd family.
- wilson cloud chamber — cloud chamber.