CYA may stand for:
CyanogenMod (/saɪ.ˈæn.oʊ.ˌdʒɛn.mɒd/; sigh-AH-no-GEN-mod) (CM) is a discontinued popular open-source operating system for smartphones and tablet computers, based on the Android mobile platform.
Cyanobacteria /saɪˌænoʊbækˈtɪəriə/, also known as Cyanophyta, is a phylum of bacteria that obtain their energy through photosynthesis, and are the only photosynthetic prokaryotes able to produce oxygen.
A cyanide is any chemical compound that contains monovalent combining group CN. This group, known as the cyano group, consists of a carbon atom triple-bonded to a nitrogen atom.
Cyanoacrylates are a family of strong fast-acting adhesives with industrial, medical, and household uses.
Cyanide poisoning is poisoning that results from exposure to a number of forms of cyanide. Early symptoms include headache, dizziness, fast heart rate, shortness of breath, and vomiting.
Cyanocobalamin is a synthetic form of vitamin B
Cyan (/ˈsaɪ.ən/ or /ˈsaɪ.æn/) is greenish-blue color. It is evoked by light with a predominant wavelength of between 490–520 nm, between the wavelengths of blue and green.
Cyanide & Happiness (abbreviated to C&H), also known as Cyanide and Happiness, is a webcomic written and illustrated by Rob DenBleyker, Kris Wilson, Dave McElfatrick and formerly Matt Melvin, published on their website explosm.net.
Cyanotoxins are toxins produced by bacteria called cyanobacteria (also known as blue-green algae). Cyanobacteria are found almost everywhere, but particularly in lakes and in the ocean where, under certain conditions, they reproduce exponentially to form blooms.