valero-

from The Century Dictionary.

• noun A combining form used, in organic chemistry, to denote the presence, in the molecule of a compound, of the valeryl radical -CH₂(CH₃)CH₃, or to indicate derivation from a compound of the methane series with five atoms of carbon.

from the GNU version of the Collaborative International Dictionary of English.

• (Chem.) A combining form (also used adjectively) indicating derivation from, or relation to, valerian or some of its products, as valeric acid; as in valerolactone, a colorless oily liquid produced as the anhydride of an hydroxy valeric acid.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• prefix chemistry valerian