semivowel

n (letter representing a) sound like a vowel that functions as a consonant, eg / w/, / j/ 半元音（字母）（如 / w/、 /j/）.

semi-detached, semi-skilled, semibreve, semicircle, semicircular, semicolon, semiconductor, semifinal, semifinalist, seminal, seminar, seminarist, seminary, semiotics, semiprecious, semiquaver, Semite, Semitic, semitone, semitropical, semolina, sempstress, SEN, senate, senator, senatorial, send, send away for, send for, send for sb., send in, send off, send out, send round, send sb. doing sth., send sb. to school, send up, send-off, send-up, sender,