I usually prefer the dot while writing doctor (dr.) or engin. Tl;dr is used to call out another user on the length of their post 在英国高校网站的教授列表上，只有正教授（full professor）才能用Prof.这个title，其他教授都只能Dr.。 英国之所以把Prof.和Dr.分得比较开，我觉得主要一个原因是英国的教授的职称是从Lecturer 到Senior Lecturer才到Professor，并不是像美国那样有assistant/associate professor。
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Dr. is an abbreviation for doctor, and either can be used in most situations
However, it is not idiomatic to say, eg, frank is a dr
At memorial hospital, or joe is sick so i called the dr. Rather, doctor is generally spelled out in such cases, where the term is used not as a title but a position or trade. I'm searching for two words that adequately describe and differentiate between the following two categories/groups of words, given they exist in english Ms, mr, mrs, miss etc
I think when you use dr or dr's (with or without the period) as an abbreviation for doctor, it's fine if used in an informal setting After all, you are abbreviating the word doctor in a generic sense, rather than referring to the use of dr 1 i think it depends on the style guide American medical association style is to omit periods in all abbreviations except middle initials, so
Eg, ie, vs, dr, mr, etc
This is probably just the magazine's house style. What is this type of word called In the document i am using, it is referred to as the prefix, but i don't think that is correct. Firstname is not unheard of, and depending on the relationship you have with the doctor and the setting for your interaction (including the geographic part of the world), may be unremarkable.
