1/2 L copper has the same outer diameter as 1/2 K or M copper. The same applies to pipe schedules. As a result, a slight increase in pressure losses is realized due to a decrease in flowpath as wall thickness is increased. In other words, 1 foot of 1/2 L copper has slightly less volume than 1 foot of 1/2 M copper.
Definition of omega. 1  1 : the 24th and last letter of the Greek alphabet â see alphabet table. 2  2 : the extreme or final part : end.
Chi Omega. Chi Omega (ÏÏ) is a women's fraternity and the largest member of the National Panhellenic Conference. Chi Omega has over 180 active collegiate chapters and over 240 alumnae chapters. Chi Omega's national headquarters is located in Memphis, Tennessee.