different between pachyderm vs pachydermatous

English

Etymology

From French pachyderme, equivalent to pachy- (“thick”) +? -derm (“skin”).

Pronunciation

• (UK) IPA^(key): /?pæk.??d??(?)m/

Noun

pachyderm (plural pachyderms)

1. (obsolete, zoology) A member of the obsolete taxonomic order Pachydermata, grouping of thick-skinned, hoofed animals such as the rhinoceros, hippopotamus, elephant, pig and horse.
2. (informal) An elephant
3. (idiomatic) A person with thick skin; someone who is not affected by or does not care what others say about him or her.
4. (idiomatic) Someone who is insensitive.

Translations

English

Etymology

pachy- +? -dermatous

Adjective

pachydermatous (comparative more pachydermatous, superlative most pachydermatous)

1. Of or relating to the pachyderms.
2. (humorous) Thick-skinned; insensitive.

References

• Angus Stevenson (editor), Shorter Oxford English Dictionary, 6th Edition (Oxford University Press, 2007, ?ISBN)
• Frederick C. Mish (Editor in Chief), Merriam-Webster's Collegiate Dictionary, 11th Edition. Merriam-Webster, 2003. ?ISBN.
• Webster, Noah (1828) , “pachydermatous”, in An American Dictionary of the English Language
• Mrs. Byrne [Josefa Heifetz Byrne] (1979) , “pachydermatous”, in Mrs. Byrne’s Dictionary of Unusual, Obscure and Preposterous Words: Gathered from Numerous and Diverse Authoritative Sources, London: Granada Publishing, ?ISBN.