12-letter words that end in rm
- serpentiform — shaped like a snake.
- silent alarm — an alarm that alerts security personnel or the police without the knowledge of the intruder or criminal whose presence triggers it: The silent alarm set off a flashing light at the police station.
- special term — the sitting of a court for the trial of a special case.
- stalactiform — resembling or shaped like a stalactite.
- steering arm — the part of a vehicle's chassis that directs the input from the steering box
- stomach worm — a nematode, Haemonchus contortus, parasitic in the stomach of sheep, cattle, and related animals.
- straight-arm — Football. to push (a potential tackler) away by holding the arm out straight; stiff-arm.
- strobiliform — shaped as a strobilus
- ternary form — a musical form in three sections, with the third usually an exact repetition of the first.
- thunderstorm — a transient storm of lightning and thunder, usually with rain and gusty winds, sometimes with hail or snow, produced by cumulonimbus clouds.
- trailing arm — A trailing arm is part of the suspension for the axle of a vehicle which moves up and down as the vehicle travels over a bumpy surface.
- trinacriform — three-pronged
- trinity term — the summer term at the Inns of Court and some educational establishments
- true to form — typical
- underperform — If someone underperforms in something such as a sports contest, or if one thing underperforms another thing, they do not perform as well as they could, or they perform less well than the other thing.
- variant form — a way of writing a word which is used by some people as an alternative to the standard or generally accepted form