From Old French, from Latinrudimentum (“a first attempt, a beginning"), plural rudimenta (“the elements"), from rudis (“rude"); see rude.
Latin rudīmentumfromrudisrough, unformed
American Heritage Dictionary of the English Language, 5th Edition
Rudiment Sentence Examples
The fibula is reduced to a mere rod-like rudiment of the upper end.
As in other Gastropoda Anisopleura, this shell-sac may abnormally develop a plug of chitinous matter, but normally it flattens out and disappears, whilst the cap-like rudiment of the permanent shell is shed out from the dome-like surface of the visceral hump, in the centre of which the shell-sac existed for a brief period.
PrGabp l, Rudiment of the appendage of the praegenital somite which disappears.
Spengel has, however, in a most ingenious way shown that these bodies are the representatives of the typical pair of ctenidia, here reduced to a mere rudiment.
One of Harvey's prime objects is to defend and establish, on the basis of direct observation, the opinion already held by Aristotle, that, in the higher animals at any rate, the formation of the new organism by the process of generation takes place, not suddenly, by simultaneous accretion of rudiments of all or the most important of the organs of the adult, nor by sudden metamorphosis of a formative substance into a miniature of the whole, which subsequently grows, but by epigenesis, or successive differentiation of a relatively homogeneous rudiment into the parts and structures which are characteristic of the adult.