26-letter words containing l, o, t, h, e, r
- triple combination therapy — treatment with three different drugs
- turn the tables on someone — to cause a complete reversal of circumstances, esp to defeat or get the better of someone who was previously in a stronger position
- walther von der vogelweide — c1170–c1230, German minnesinger and poet.
- with one's beer goggles on — seeing people and things as increasingly attractive as one's alcohol intake rises
- won't/wouldn't hear of sth — If you say that you won't hear of someone doing something, you mean that you refuse to let them do it.
- worth one's weight in gold — extremely helpful, kind, etc
- yellow-crowned night heron — any of several thick-billed, crepuscular or nocturnal herons of the genus Nycticorax and related genera, as N. nycticorax (black-crowned night heron) of the Old and New Worlds, and Nyctanassa violacea (yellow-crowned night heron) of America.
- zermelo fränkel set theory — (mathematics) A set theory with the axioms of Zermelo set theory (Extensionality, Union, Pair-set, Foundation, Restriction, Infinity, Power-set) plus the Replacement axiom schema: If F(x,y) is a formula such that for any x, there is a unique y making F true, and X is a set, then {F x : x in X} is a set. In other words, if you do something to each element of a set, the result is a set. An important but controversial axiom which is NOT part of ZF theory is the Axiom of Choice.