9-Letter Words Containing: A,B,O,R

• Any of several trees of southern South America with produce very hard wood rich in tannin, especially those of the genus Schinopsis.

• The bark of these trees, formerly used in treating fever.

• hazard to humans or the environment resulting from biological agents or conditions

• any bacterium or virus or toxin that could be used in biological warfare

• handsomely striped or mottled wood of the zebrawood tree; used especially for cabinetwork

• any of various trees or shrubs having mottled or striped wood

• an organism that has the characteristics of a more primitive type of that organism

• a reappearance of an earlier characteristic

• characteristic of an atavist

• a person whose back is hunched because of abnormal curvature of the upper spine

• characteristic of or suffering from kyphosis, an abnormality of the vertebral column

• relating to or containing the carboxyl group or carboxyl radical

• the univalent radical -COOH; present in and characteristic of organic acids

• sessile aquatic animal forming mossy colonies of small polyps each having a curved or circular ridge bearing tentacles; attach to stones or seaweed and reproduce by budding