n.

a hard smooth ivory colored dentine that makes up most of the tusks of elephants and walruses

同義詞：ivory

a long pointed tooth specialized for fighting or digging; especially in an elephant or walrus or hog

De-tusking of large white Yorkshire boars.
Observations on the ecology and biology on the bushpig Potamochoerus porcus Linn in the northern Transvaal
Social relationships of wild juvenile Asian elephants Elephas maximus in the Udawalawa National Park, Sri Lanka.
Predation, habitat degradation, competition and disease transmission by feral pigs
The TV Vet book for pig farmers. How to recognise and treat common pig ailments.
The Call of the Wild: A Love Affair That Began in the Pages of His School Atlas Has Seen Brian Jackman Visit Africa Time and Again o...
The consideration of effect of bending vibrations on ultrasonically forced insertion process
Elephant Trainers Try to Reduce Odds Zoo and Circus Flora Take Different Safety Approaches
Marine biology mystery solved
Stahlianthus involucratus (King ex Baker) Craib ex Loes.: a new record to the flora of Mizoram, India