[-trix] n suffix, pl -trices or -trixes [ME, fr. L, fem. of -tor, suffix denoting an agent] 1: female that does or is associated with a (specified) thing "aviatrix"
2: geometric line, point, or surface "generatrix"
[-trix] n suffix, pl -trices or -trixes [ME, fr. L, fem. of -tor, suffix denoting an agent] 1: female that does or is associated with a (specified) thing "aviatrix"
2: geometric line, point, or surface "generatrix"
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012