Moral questions are terminal. Ethical questions are instrumental.
Is this definition generally accepted?
Definitely not in philosophy, where the two are used interchangeably. But some literature on professional ethics draws a distinction somewhat similar to this (morals being your own values etc. and ethics being about what to do in particular situations where you're not sure what to do).
A similar distinction is drawn in professional work - ethical refers to professional standards, while moral refers to your personal values.
Today's post, Ethics Notes was originally published on 21 October 2008. A summary (taken from the LW wiki):
Some responses to comments about the idea of Ethical Injunctions.
Discuss the post here (rather than in the comments to the original post).
This post is part of the Rerunning the Sequences series, where we'll be going through Eliezer Yudkowsky's old posts in order so that people who are interested can (re-)read and discuss them. The previous post was Prices or Bindings?, and you can use the sequence_reruns tag or rss feed to follow the rest of the series.
Sequence reruns are a community-driven effort. You can participate by re-reading the sequence post, discussing it here, posting the next day's sequence reruns post, or summarizing forthcoming articles on the wiki. Go here for more details, or to have meta discussions about the Rerunning the Sequences series.