Y

I

[[t]waɪ[/t]]

chem. inf num the Y, Informal. the YMCA, YWCA, YMHA, or YWHA

II

symb.

1) the 25th in order or in a series

2) elm (sometimes l.c.) Elect. admittance

3) chem. Chem. yttrium

4) biochem. Biochem. tyrosine

III

yen I