The lowest partial of a complex tone.
The lowest frequency of a periodic waveform.
A main or major principle, rule, law, etc. which serves as the foundation or basis of a system; an essential part
Related to a foundation. base, or basis; serving as a foundation.
essential; extremely important
A monomorphemic word, one without affixes.
An analogue in a space of arbitrary dimensionality of the triangle or tetrahedron; the convex hull of n+1 linearly independent points in n-dimensional space; in other words, the triangle, tetrahedron etc., generalized to an arbitrary number of dimensions.
Single, simple; not complex.
Unidirectional.