“animal protein”

We have one entry that includes the term animal protein.

animal protein factor

noun

: vitamin B12 or a concentrate containing this vitamin and usually antibiotics that is obtained especially in the fermentation production of vitamin B12 and chlortetracycline and is used as a supplement in some animal and poultry feeds

See the full definition

Word of the Day

Listen to the pronunciation of salvo

See Definitions and Examples »

Test Your Vocabulary

Which Came First?

  • baby chick with a brown egg
  • hot take or cold shoulder?
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.

Pick the best words!

PLAY
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Games & Quizzes

See All
Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.
Quordle Can you solve 4 words at once?
Play Blossom: Solve today's spelling word game by finding as many words as you can using just 7 letters. Longer words score more points.
Blossom Pick the best words!
Play Missing Letter: a crossword with a twist. Each of the 25 puzzle words start with a different letter of the alphabet. Which letter is missing?
The Missing Letter A daily crossword with a twist
fridge-magnet-letters
Drop a Letter Quiz August 2026 Drop a letter from a word to make a totally diffe...
See All