20-letter words containing l, y, m
- 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 flex your muscles — If a group, organization, or country flexes its muscles, it does something to impress or frighten people, in order to show them that it has power and is considering using it.
- to leave your/a mark — If someone or something leaves their mark or leaves a mark, they have a lasting effect on another person or thing.
- tribromoacetaldehyde — bromal.
- triphenylmethane dye — any of a great number of dyes, as gentian violet, fuchsin, and rosaniline, produced from triphenylmethane by replacement of the ring hydrogen atoms with hydroxy, amino, sulfo, or other atoms or groups.
- unemployment benefit — an allowance of money paid, usually weekly, to an unemployed worker by a state or federal agency or by the worker's labor union or former employer during all or part of the period of unemployment.
- unemployment figures — statistics relating to the number of people who are out of work
- upper yosemite falls — a section of Yosemite Falls in central California, in the Yosemite National Park that is 436 m (1430 ft) high
- walking-around money — money that is carried on the person for routine expenses and minor emergencies; pocket money.
- westminster assembly — a convocation that met at Westminster, London, 1643–49, and formulated the articles of faith (Westminster Confession of Faith) that are accepted as authoritative by most Presbyterian churches.
- what-you-may-call-it — an object or person whose name one does not know or cannot recall.
- winter olympic games — an international contest of winter sports, esp skiing, held every four years
- woolly spider monkey — a rare related monkey, Brachyteles arachnoides, of SE Brazil
- yellow-billed magpie — either of two corvine birds, Pica pica (black-billed magpie) of Eurasia and North America, or P. nuttalli (yellow-billed magpie) of California, having long, graduated tails, black-and-white plumage, and noisy, mischievous habits.