'Happiness' is a derivative of 'happy'.

happiness是happy的派生词。

《牛津词典》

But, we can still ask, is there a derivative in every direction?

但我们仍想问，是否在每个方向上都有一个导数呢？

youdao

A derived data type is a derivative or structure of existing base types or other derived types.

派生数据类型是已有的基本类型或其他派生类型的一个派生物或结构。

youdao

The Joule experiment was a constant energy experiment, right. Here we're going to have to find a constant enthalpy experiment, and that is going to be the Joule-Thomson experiment. That's going to extract out a physical meaning to this derivative here.

非常像焦耳实验,焦耳实验是一个能量恒定的实验,我们这里要做的是，找到一个焓不变的实验,也就是焦耳-汤姆逊实验,这个实验可以把这里的微分式形象化。

麻省理工公开课 - 热力学与动力学课程节选

Other drugs are being studied for their promise in preventing breast cancer, including a Vitamin A-derivative called fenretinide and the antiosteoporosis drug raloxifene, sold by Eli Lilly lly (nyse: lly - news - people) under the brand name Evista.

FORBES: Old Breast Cancer Drug Brings in New Money

On August 5th Chile's CSAV, which runs the world's eighth-largest container fleet, became the first shipper to make a container-derivative trade (with Morgan Stanley).

ECONOMIST: Are container derivatives poised for bumper growth?

The C-Max Energi is a plug-in derivative of the C-Max, which is supposed to be even more efficient because it can run longer in electric-only mode.

FORBES: C-Max: Ford Makes A Great Car -- And Gets Slammed Anyway