Alternative form of space-filling model

space-filling model

(chemistry) A type of three-dimensional molecular model, where the atoms are represented by spheres whose radii are proportional to the radii of the atoms, and whose center-to-center distances are proportional to the distances between the atomic nuclei, all in the same scale.

plural of modal case

The form of Portuguese spoken since the sixteenth century.

The phenomenon of a wiki being used for discussions.

(education, Britain) In the UK, from 1944 to the 1970s, a secondary school for children who had failed the eleven plus examination.

(radio) A modulation scheme that conveys data by applying amplitude modulation to two carrier waves at once. These two waves, usually sinusoids, are out of phase with each other by 90° and are thus called quadrature carriers. Commonly abbreviated QAM.

(transitive, now rare) To give a new form to; to remodel.

plural of secondary modern school