| BREASTSUMMERS | • breastsummers n. Plural of breastsummer. • BREASTSUMMER n. a beam supporting the front of a building, also BRESSUMMER. |
| BREMSSTRAHLUNGS | • bremsstrahlungs n. Plural of bremsstrahlung. • BREMSSTRAHLUNG n. (German) electromagnetic radiation given off when an electron collides with a positive nucleus. |
| BRONTOSAURUSES | • brontosauruses n. Plural of brontosaur. • BRONTOSAURUS n. any of a genus of large sauropod dinosaurs of the Jurassic, also BRONTOSAUR. |
| BRUSHSTROKES | • brushstrokes n. Plural of brushstroke. • BRUSHSTROKE n. a stroke with a brush. |
| STARBURSTS | • starbursts v. Third-person singular simple present indicative form of starburst. • STARBURST n. a pattern of rays or lines emanating from a light source. |
| STRESSBUSTER | • stressbuster n. (Informal) Any technique that works against mental stress. • STRESSBUSTER n. any product intended to relieve stress. |
| STRESSBUSTERS | • stressbusters n. Plural of stressbuster. • STRESSBUSTER n. any product intended to relieve stress. |
| SUBSECRETARIES | • subsecretaries n. Plural of subsecretary. • SUBSECRETARY n. a subordinate secretary. |
| SUBSTRACTORS | • SUBSTRACTOR n. (Shakespeare) a detractor. |
| SUBSTRATOSPHERE | • substratosphere n. The area of the atmosphere directly below the stratosphere. • SUBSTRATOSPHERE n. the area of the atmosphere below the stratosphere. |
| SUBSTRUCTURES | • substructures n. Plural of substructure. • SUBSTRUCTURE n. an underlying or supporting part of a structure. |
| SUBTERRESTRIALS | • subterrestrials n. Plural of subterrestrial. • SUBTERRESTRIAL n. a subterrestrial person or thing. |
| SUBTREASURERS | • subtreasurers n. Plural of subtreasurer. • SUBTREASURER n. a subordinate treasurer. |
| SUBTREASURIES | • subtreasuries n. Plural of subtreasury. • SUBTREASURY n. a subordinate treasury. |
| SUPERABSORBENTS | • superabsorbents n. Plural of superabsorbent. • SUPERABSORBENT n. an exceptionally absorbent substance. |
| TRIBUTARINESSES | • TRIBUTARINESS n. the state of being a tributary. |
| TRUSTBUSTERS | • trustbusters n. Plural of trustbuster. • TRUSTBUSTER n. a person who works for or achieves the breakup of business trusts, e.g. by legislation. |