| FERROCONCRETES | • ferroconcretes n. Plural of ferroconcrete. • FERROCONCRETE n. reinforced concrete. |
| FERROELECTRICS | • ferroelectrics n. Plural of ferroelectric. • FERROELECTRIC n. a ferroelectric substance. |
| INTERFEROMETER | • interferometer n. (Physics) any of several instruments that use the interference of waves to determine wavelengths and… • INTERFEROMETER n. an instrument for analysing spectra of light. |
| INTERFEROMETRY | • interferometry n. (Physics) The design and use of optical or radio interferometers. • INTERFEROMETRY n. the use of two telescopes separated. |
| PREPERFORMANCE | • preperformance adj. Done or made before or in preparation for a performance. • preperformance n. Prior performance. • PREPERFORMANCE adj. preceding a performance. |
| PRETERPERFECTS | • preterperfects n. Plural of preterperfect. • PRETERPERFECT n. the perfect tense. |
| REFRACTOMETERS | • refractometers n. Plural of refractometer. • REFRACTOMETER n. an instrument for measuring the refraction of light. |
| RETROREFLECTOR | • retroreflector n. A retroreflective device or surface. • RETROREFLECTOR n. a device that reflects radiation so that the paths of the reflected rays are parallel to those of the incident rays. |
| UNDERPERFORMED | • underperformed v. Simple past tense and past participle of underperform. • UNDERPERFORM v. to perform insufficiently. |
| UNDERPERFORMER | • underperformer n. One who or that which underperforms, having performance that is below average or below expectations;… |
| UNREFRIGERATED | • unrefrigerated adj. Not refrigerated; allowed to stay warm. • UNREFRIGERATED adj. not refrigerated. |