desert sunflower
— Noun
– English
～ slender hairy plant with few leaves and golden-yellow flower heads; sandy desert areas of southeastern California to southwestern Utah and western Arizona and northwestern Mexico
Denisonia superba
— Noun
– English
～ venomous but sluggish reddish-brown snake of Australia
dietary supplement
— Noun
– English
～ something added to complete a diet or to make up for a dietary deficiency
direct support
— Noun
– English
～ a mission requiring one force to support another specific force and authorizing it to answer directly the supported force's request for assistance
direct supporting fire
— Noun
– English
～ fire delivered in support of part of a force (as opposed to general supporting fire delivered in support of the force as a whole)
deep supporting fire
— Noun
– English
～ fire on objectives not in the immediate vicinity of your forces but with the objective of destroying enemy reserves and weapons and interfering with the enemy command and supply and communications
Dianthus supurbus
— Noun
– English
～ Eurasian perennial pink having fragrant lilac or rose flowers with deeply fringed margins
debris surge
— Noun
– English
～ the sudden spread of dust and debris from a collapsing building; "the destruction of the building produced an enormous debris surge"
dental surgeon
— Noun
– English
～ a dentist qualified to perform surgical procedures
dental surgery
— Noun
– English
～ the branch of dentistry involving surgical procedures
Dame Joan Sutherland
— Noun
– English
～ Australian operatic soprano (born in 1926)
Dean Swift
— Noun
– English
～ an English satirist born in Ireland (1667-1745)
DIP switch
— Noun
– English
～ (computer science) one of a set of small on-off switches mounted in computer hardware; used in place of jumpers to configure the machine for a user
dual inline package switch
— Noun
– English
～ (computer science) one of a set of small on-off switches mounted in computer hardware; used in place of jumpers to configure the machine for a user
Dipsacus sylvestris
— Noun
– English
～ European teasel with white to pink flowers; naturalized in United States
Down syndrome
— Noun
– English
～ a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Down's syndrome
— Noun
– English
～ a congenital disorder caused by having an extra 21st chromosome; results in a flat face and short stature and mental retardation
Dewey decimal system
— Noun
– English
～ a system used by libraries to classify nonfictional publications into subject categories; the subject is indicated by a three-digit numeral and further specification is given by numerals following a decimal point; publications are shelved by number
Department of Defense Laboratory System
— Noun
– English
～ a defense laboratory that provides essential services in fundamental science for national security and environmental protection and provides technologies that contribute to industrial competitiveness