Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A poisonous protein extracted from the castor bean and used as a biochemical reagent.
Century Dictionary and Cyclopedia
- n. An albuminoid substance of poisonous character obtained in small quantity from the seeds of the castor-oil plant, Ricinus communis.
Wiktionary
- n. biochemistry, toxicology A toxic protein extracted from the castor bean.
WordNet 3.0
- n. a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon
Etymologies
- From Latin ricinus, castor-oil plant. (American Heritage® Dictionary of the English Language, Fourth Edition)
Examples
“I was listening to people just last night, and, really, they weren't able to articulate the name ricin, and listen to do a group of people trying to explain it to others, what ricin was.”
“I wonder whether the Chilcot inquiry Report, 29 January will require Tony Blair to answer a question or two about the so-called ricin plot.”
The Guardian: Letters: Chilcot should look at the ricin plot
“Free for a few years, he was then imprisoned for 2½ years accused of involvement in the so-called ricin plot.”
“Tholen, 53, wouldn't say much more about Von Bergendorff or the discovery Thursday of several vials of ricin, which is deadly in minuscule amounts, at the man's extended-stay hotel room on Valley View Boulevard near Flamingo Road.”
“The CDC lists on its Web site that it takes 500 micrograms of ricin, which is about the size of a pinhead, to kill a person.”
“The first was that further testing did confirm that the white powdery substance found in this hotel room is ricin, which is extremely dangerous, extremely powerful.”
“As we told you a few moments ago, we're going to go live to Washington, D.C. and a press conference there where earlier today, this afternoon some mail found in the mailroom of the Senate majority leader tested positively in the initial test for the compound ricin, which is very dangerous stuff and deadly stuff.”
“RACKAUCKAS: Well, we just learned yesterday that -- from the Food and Drug -- from the Food and Drug Administration that the baby food was contaminated with this castor oil that contains ricin, which is a-- which is a poison.”
“Now, castor beans sound pretty innocuous, but when they're ground down, they can be made into a product called ricin (ph), which is a deadly bio warfare agent.”
“Freed from its protective hard coating, the inside of the castor bean could be ground into a substance known as ricin.”
Lists
These user-created lists contain the word ‘ricin’.
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SCIE - EU nomenclature
All the scientific words found in the official EU nomenclature. For the screening I used Vocabgrabber of the Visual Thesaurus.
abdominal, absorbent, accelerator, accumulator, acebutolol, acetamide, acetanilide, acetate, acetic acid, acetone, acetous, acetyl and 1171 more...
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IMCO - EU nomenclature
includes words of the "Prodcom list"
abaca, abdominal, abrasive, absorbent, absorber, accelerator, accessory, account book, accumulator, acebutolol, acetaldehyde, acetamide and 4515 more...
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Worse Than They Sound
fistula, cryptosporidium, debride, donnybrook, decerebrate, pillory, flagellate, disembogue, minatory, micturate, coprolite, nosocomial and 160 more...
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bilby's Words
pandemic, whirl, guffaw, ethereal, feisty, dunt, ephemeral, pule, flipergebet, prink, maunder, gammon and 1023 more...
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Did Someone Say a Dinner Party?
It's a hazardous world out there...poison all around. I've tried not to include too many drugs (including medicines) and have ignored the fact that too much of anything can poison you. We're going ...
cyanide, botulinum, chlorine, mustard gas, hydrogen cyanide gas, mercury, arsenic, ricin, strychnine, aconite, acetic acid, acetone and 147 more...
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Words of the Day
glabella, chirotony, nook-shotten, crapehanger, filemot, swirlie, egosurf, lexiphanicism, Ruritanian, stichometry, chrononaut, faldstool and 2022 more...
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2013-04-25
regression, barge, ricin, feud, poison, foe, escalate, sinister, diabetes, surgery
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A pinch of poison
Naturally occurring toxins, not always deadly to humans, but all part of nature's extensive chemical vocabulary (Most are synonyms for "please go away and die somewhere else" or "please leave me a...
coprine, saxitoxin, tetrodotoxin, amatoxin, contryphan, bufotenin, epibatidine, batrachotoxin, ciguatoxin, brevetoxin, physalaemin, colchicine and 11 more...
Tweets
Looking for tweets for ricin.

seanahan Yes, but it's all natural. Aug 19, 2009
PossibleUnderscore Less than a milligram will kill you whether it is ingested or inhaled. It damages the ribosomes that carry out protein synthesis in cells. Aug 18, 2009