having fins supported by articulated rays rather than by spines, as a malacopterygian.
What is Soft About a Soft Drink? What Does Soda Have to Do With Sodium?
Some call it soda. Others say soft drink, fizzy drink, soda pop, or just plain-old pop. There is no right word for the sweet carbonated beverage, although it would be wrong not to know the linguistic background behind the bubbles. That doesn’t mean we don’t have a thirst … for knowledge, that is. Why are soft drinks called soft? The “soft” in soft drinks is …
Blech! Words So Gross They’ll Make You Sick
Read more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of soft-finned
First recorded in 1765–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012