15-letter words containing a, b, m, p, e, r
- pyrimidine base — any of a number of similar compounds having a basic structure that is derived from pyrimidine, including cytosine, thymine, and uracil, which are constituents of nucleic acids
- pyrometric bead — (in a kiln) a ball of material that indicates by changing color that a certain temperature has been reached.
- rhombencephalon — the hindbrain.
- september rains — rainy weather during the month of September
- side impact bar — A side impact bar is a long beam in a car door that is designed to protect passengers during a crash.
- spermatoblastic — relating to a spermatoblast
- strephosymbolia — a condition of perceiving objects as their mirror image and, specifically, having difficulty in distinguishing letters in words
- tablet computer — a number of sheets of writing paper, business forms, etc., fastened together at the edge; pad.
- the precambrian — the Precambrian era
- thermobarograph — a device that simultaneously records the temperature and pressure of the atmosphere
- umbrella policy — An umbrella policy is a policy that provides excess limits and gives additional excess coverage over the normal limits and coverage of liability policies.
- uncompromisable — that cannot or should not be compromised
- upwardly mobile — See under vertical mobility (def 1).
- weimar republic — the German republic (1919–33), founded at Weimar.