| ROTORCRAFT | • rotorcraft n. Any aircraft that obtains its lift from rotors. • ROTORCRAFT n. a helicopter or autogyro. |
| ROTORCRAFTS | • rotorcrafts n. Plural of rotorcraft. • ROTORCRAFT n. a helicopter or autogyro. |
| PRETERPERFECT | • preterperfect n. (Grammar, archaic) perfect. • PRETERPERFECT n. the perfect tense. |
| REFRACTOMETER | • refractometer n. (Physics) An optical instrument used to measure the refractive index of a substance. • REFRACTOMETER n. an instrument for measuring the refraction of light. |
| REFRACTOMETRY | • refractometry n. (Physics) the measurement of refractive index. • REFRACTOMETRY n. measurement by refractometer. |
| INFRASTRUCTURE | • infrastructure n. (Systems theory) An underlying base or foundation especially for an organization or system. • infrastructure n. The basic facilities, services and installations needed for the functioning of a community or society. • INFRASTRUCTURE n. the underlying foundation or basic framework (as of a system or organization). |
| 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. |
| REFRACTOMETRIC | • refractometric adj. Of or pertaining to refractometry. • refractometric adj. Measured using a refractometer. • REFRACTOMETRIC adj. relating to measurement by refractometer. |
| 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. |
| INFRASTRUCTURAL | • infrastructural adj. Of, relating to or originating in infrastructure. • INFRASTRUCTURAL adj. of or like an infrastructure. |
| INFRASTRUCTURES | • infrastructures n. Plural of infrastructure. • INFRASTRUCTURE n. the underlying foundation or basic framework (as of a system or organization). |
| INTERFEROMETRIC | • interferometric adj. Of or pertaining to interferometry or interferometers. • INTERFEROMETRIC adj. relating to interferometry, the use of two telescopes separated. |
| REFRACTOMETRIES | • refractometries n. Plural of refractometry. • REFRACTOMETRY n. measurement by refractometer. |
| RETROREFLECTION | • retroreflection n. (Physics) reflection in which the reflected rays are parallel to the incident rays. • RETROREFLECTION n. the action or use of a retroreflector. |
| RETROREFLECTIVE | • retroreflective adj. Tending to reflect light back to its source with a minimum scattering of light. • RETROREFLECTIVE adj. relating to retroreflection. |
| RETROREFLECTORS | • retroreflectors n. Plural of retroreflector. • RETROREFLECTOR n. a device that reflects radiation so that the paths of the reflected rays are parallel to those of the incident rays. |