| / English Dictionary |
ROD
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
Any rod-shaped bacterium
Classified under:
Hypernyms ("rod" is a kind of...):
bacteria; bacterium ((microbiology) single-celled or noncellular spherical or spiral or rod-shaped organisms lacking chlorophyll that reproduce by fission; important as pathogens and for biochemical properties; taxonomy is difficult; often considered to be plants)
Hyponyms (each of the following is a kind of "rod"):
streptobacillus (any of various rod-shaped Gram-negative bacteria)
Sense 2
Meaning:
A gangster's pistol
Synonyms:
Classified under:
Nouns denoting man-made objects
Hypernyms ("rod" is a kind of...):
handgun; pistol; shooting iron; side arm (a firearm that is held and fired with one hand)
Domain usage:
argot; cant; jargon; lingo; patois; slang; vernacular (a characteristic language of a particular group (as among thieves))
Sense 3
Meaning:
A long thin implement made of metal or wood
Classified under:
Nouns denoting man-made objects
Hypernyms ("rod" is a kind of...):
implement (instrumentation (a piece of equipment or tool) used to effect an end)
Hyponyms (each of the following is a kind of "rod"):
wand (a rod used by a magician or water diviner)
tie rod (either of two rods that link the steering gear to the front wheels)
stair-rod (a rod that holds a stair-carpet in the angle between two steps)
shaft (a long rod or pole (especially the handle of an implement or the body of a weapon like a spear or arrow))
rotating shaft; shaft (a revolving rod that transmits power or motion)
ramrod (a rod used to clean the barrel of a firearm)
ramrod (a rod used to ram the charge into a muzzle-loading firearm)
pole (a long (usually round) rod of wood or metal or plastic)
kickstand (a swiveling metal rod attached to a bicycle or motorcycle or other two-wheeled vehicle; the rod lies horizontally when not in use but can be kicked into a vertical position as a support to hold the vehicle upright when it is not being ridden)
fishing pole; fishing rod (a rod of wood or steel or fiberglass that is used in fishing to extend the fishing line)
control rod (a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction)
connecting rod (a rod that transmits motion (especially one that connects a rotating wheel to a reciprocating shaft))
baton (a hollow metal rod that is wielded or twirled by a drum major or drum majorette)
baton; wand (a thin tapered rod used by a conductor to lead an orchestra or choir)
Sense 4
Meaning:
A visual receptor cell that is sensitive to dim light
Synonyms:
retinal rod; rod; rod cell
Classified under:
Hypernyms ("rod" is a kind of...):
visual cell (one of the cells of the retina that is sensitive to light)
Meronyms (parts of "rod"):
retinal purple; rhodopsin; visual purple (a red photopigment in the retinal rods of vertebrates; dissociates into retinene by light)
Holonyms ("rod" is a part of...):
retina (the innermost light-sensitive membrane covering the back wall of the eyeball; it is continuous with the optic nerve)
Sense 5
Meaning:
A square rod of land
Synonyms:
perch; pole; rod
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("rod" is a kind of...):
area unit; square measure (a system of units used to measure areas)
Sense 6
Meaning:
A linear measure of 16.5 feet
Synonyms:
perch; pole; rod
Classified under:
Nouns denoting quantities and units of measure
Hypernyms ("rod" is a kind of...):
linear measure; linear unit (a unit of measurement of length)
Meronyms (parts of "rod"):
pace; yard (a unit of length equal to 3 feet; defined as 91.44 centimeters; originally taken to be the average length of a stride)
Domain region:
Britain; Great Britain; U.K.; UK; United Kingdom; United Kingdom of Great Britain and Northern Ireland (a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; 'Great Britain' is often used loosely to refer to the United Kingdom)
Holonyms ("rod" is a part of...):
furlong (a unit of length equal to 220 yards)
II. (verb)
Sense 1
Present simple (first person singular and plural, second person singular and plural, third person plural) of the verb rod
Context examples:
A species of aerobic, Gram-negative, rod shaped bacteria in the phylum Bacteroidetes.
(Myroides odoratus, NCI Thesaurus)
A genus of aerobic, Gram positive, rod shaped bacterium assigned to the phylum Actinobacteria and the family Cellulomonadaceae.
(Oerskovia, NCI Thesaurus)
Can I be so weak as to imagine that Mr. Micawber, wielding the rod of talent and of power in Australia, will be nothing in England?
(David Copperfield, by Charles Dickens)
A genus of anaerobic, Gram positive, rod shaped bacterium assigned to the phylum Actinobacteria and the family Coriobacteriaceae.
(Olsenella, NCI Thesaurus)
A genus of aerobic, Gram negative, rod shaped bacterium assigned to the phylum Proteobacteria and the family Brucellaceae.
(Ochrobactrum, NCI Thesaurus)
An examination showed that one of the india-rubber bands which was round the head of a driving-rod had shrunk so as not quite to fill the socket along which it worked.
(The Adventures of Sherlock Holmes, by Sir Arthur Conan Doyle)
A genus of aerobic, Gram negative, rod shaped bacterium assigned to the phylum Proteobacteria and the family Burkholderiaceae.
(Pandoraea, NCI Thesaurus)
Any rod shaped, anaerobic bacteria that cannot convert carbohydrates into acids and alcohols and has a cell wall that contains low levels of peptidoglycan and stains pink with the Gram staining technique.
(Non-Fermentative Gram Negative Bacillus, NCI Thesaurus)
Any rod shaped bacteria that does not require oxygen to grow or respirate and has a peptidoglycan rich cell wall that stains dark purple with the Gram staining technique.
(Anaerobic Gram Positive Bacillus, NCI Thesaurus)
Small motile rod bacteria that can reduce nitrates and cause galls on plant stems.
(Agrobacterium, NCI Thesaurus)
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