What does chx stand for?

chlorhexidine (SAUS)

Air Charter Express - France - ICAO designator (FAAC)

Cabin Heat Exchanger - Aviation (MCD)

Cabo Yachts Inc., Adelanto, CA - Manufacturer code for watercraft hull identification number (USCG)

Chaix Hill - Alaska - Seismograph station code, US Geological Survey (SEIS)

Changuinola - Panama - Airport symbol (OAG)

Chantyal - Language code (ETLW)

Chavin of Canada - Vancouver Stock Exchange symbol

Chicago Stock Exchange (EA)

Chicago Stock Exchange, Inc.

Chiro-Xylographic - Type of block book

Choteau, MT - Location identifier - FAA (FAAL)

Condensing Heat Exchanger

Cycloheximide - Also, CH, CXM, Cyh - Fungicide

Pilgrim's Pride Corp. - NYSE symbol (SPSG)