Akira Okazaki said:
Solute: ‘the substance dissolved in a solution’
(http://www.yourdictionary.com/solute) Evidently a not-so-obscure chemical term used by the Military as opposed to;
Salute: ‘a formal military gesture of respect’
(http://www.thefreedictionary.com) Evidently an old military term no longer used by “retired” commissioned Intelligence officers!
I can't believe Rick M missed this.:-)