| aedes |
see "yellow fever mosquito." |
| agrimony |
any of various related plants of the rose family that have compound feathery leaves and bear long clusters of small yellow flowers on spiky stalks, and a prickly fruit. [1/2 definitions] |
| aloe |
any of a genus of mostly African plants that have thick, jagged leaves and bear red or yellow flowers. [1/2 definitions] |
| alyssum |
any of a group of weedy low-growing plants of the mustard family, having tiny white or yellow four-petaled flowers borne on branched stalks. [1/2 definitions] |
| apple |
a firm round fruit with succulent white flesh and a red, green, or yellow skin. [1/3 definitions] |
| apricot |
a soft round fruit with fuzzy orange-pink or yellow skin. [1/3 definitions] |
| araroba |
a bitter yellow medicinal powder obtained from cavities in the trunk of a Brazilian tree; Goa powder. [1/2 definitions] |
| arbovirus |
any of a number of viruses that are transmitted by certain blood-sucking arthropods such as mosquitoes and ticks and that may cause encephalitis, yellow fever, or dengue fever. |
| arnica |
a medicinal plant of the aster family, having bright yellow, rayed blossoms. [1/2 definitions] |
| arsenic |
a poisonous chemical element that has thirty-three protons in each nucleus and occurs in brittle, grayish white crystalline masses or in yellow or black allotropes. (symbol: As) [1/2 definitions] |
| asphodel |
any of several flowering plants related to lilies, with tall spikes bearing clusters of usu. yellow or white flowers. |
| aster |
any of a large family of plants whose white, pink, blue, or purple flowers consist of numerous narrow petals around a yellow center. |
| barberry |
any of various shrubs, often spiny, that have leathery leaves and bear clustered yellow flowers and small ovoid red-orange berries. |
| Bartlett |
a large yellow juicy variety of pear. |
| basswood |
any of several types of linden tree, esp. the American linden, characterized by a yearly bloom of fragrant yellow flowers. [1/2 definitions] |
| Bermuda onion |
any of several large mild-flavored onions with a white or yellow flesh, grown in Bermuda and the southern United States. |
| bignonia |
any of various tropical American woody vines that bear trumpet-shaped red or yellow flowers. |
| bilirubin |
a reddish-yellow pigment that is formed from the breakdown of heme. Elevated levels in blood are responsible for the yellow color in bruises and in jaundice. |
| bioflavonoid |
any of a group of yellow hydrocarbon pigments found in many flowers and fruits, once thought to be important as a vitamin in humans; vitamin P. |
| bird of paradise |
any of several brightly colored African plants, esp. a perennial cultivated for its large brilliant orange or yellow blue-tongued flower that resembles a bird. [1/2 definitions] |
| bituminous coal |
a mineral coal that yields pitch and tar and has a yellow smoky flame when it burns; soft coal. |