HH7 explained

HH7 or HH-7 may refer to:

• In Enemy Hands (novel), the seventh novel in the Honor Harrington series by David Weber, abbreviated HH7
• HH7, one of the Hamburger–Hamilton stages in chick development
• GNRHR, Gonadotropin-releasing hormone receptor, also called HH7

See also

• • • H7 (disambiguation)