Olivaceous is a 10 letter English word. It's valid Words with friends word worth 19 points.
You can make 555 anagrams from letters in olivaceous (aceiloosuv).
1770-80; New Latin olīvāceus, equivalent to Latin olīv(a) olive + -āceus -aceous
The mass of the spores is olivaceous, changing to pale-brown.
Sittasomus griseicapillus (Vieillot): olivaceous Woodcreeper.
Adult female: Similar to male but duller; black of male replaced by slaty with an olivaceous cast.
Sometimes a few spots or scrawls of dark “mummy brown” or “olivaceous black” stand out in sharp contrast to the other markings.
Mass of capillitium and spores yellowish, ochraceous or olivaceous; elaters simple or sometimes with several branches, 4–6 mic.
The olivaceous of these wings greatly encroaches upon the marginal belt.
The ground color is dull "honey yellow," with an olivaceous tinge, or "cream buff."
The spores and capillitium, olivaceous, then purplish-brown.
Spores globose, usually some shade of umber or olivaceous, rarely violaceous.
The cap is of a dull yellow color, olivaceous, darkening with age to a brownish tinge.