ed
/ed/ (bre, ipa) · [ˈɛd] /ed/ (ame, ipa) · [ˈɛd] /ˈed/ (ame, mw)
ed — noun
- edsingular
- edsplural
1. the letters ed, used in course names or institutional labels to mean education o
the letters ed, used in course names or institutional labels to mean education or educational study
Ritu signed up for an adult ed class at the community center.
adult ed in course names
The college added more special ed support for first-year students.
Mauricio moved from school counseling into higher ed administration last year.
Our district hired two early childhood ed specialists this spring.
文法句型
adult ed
special ed
higher ed
early childhood ed
用法筆記
Usually appears inside fixed education labels rather than standing alone. Common patterns include adult ed, higher ed, and special ed.
常見錯誤
2. the word ed, used inside publishing or newsroom talk for an editor, especially o
the word ed, used inside publishing or newsroom talk for an editor, especially one responsible for shaping copy before publication
Felix asked the night ed to hold space for the late photo.
night ed in newsroom talk
Ava thanked the features ed for tightening her article.
Christopher met the new copy ed before the magazine closed.
Madison sent the headline ideas to the web ed after lunch.
- editor
the full, neutral job title
- copy editor
narrower; specifically someone who improves wording, grammar, and style
文法句型
night ed
features ed
copy ed
web ed
用法筆記
This short form belongs to workplace shorthand in media and publishing. Outside that setting, the full word editor is clearer.
常見錯誤
3. the letters ED, meaning the hospital unit that deals immediately with serious in
the letters ED, meaning the hospital unit that deals immediately with serious injuries and sudden illness
Brian drove his father to the ED after the chest pain began.
go to the ED for urgent symptoms
The child waited in the ED with an ice pack on one wrist.
Jenna called ahead so the ED staff knew the ambulance was coming.
After the fall, Pedro spent six hours in the ED for tests.
- emergency department
the full hospital term
- ER
common North American alternative abbreviation, often heard in speech
文法句型
go to the ED
wait in the ED
ED staff
用法筆記
Common in hospital talk, medical charts, and news reporting. In everyday conversation, many speakers still say the emergency room or the emergency department in full.
常見錯誤
4. the letters ED, used for a condition in which eating becomes harmful and is clos
the letters ED, used for a condition in which eating becomes harmful and is closely tied to distress about body, weight, or control
Nia told her therapist that her ED had become worse during exams.
an ED discussed in therapy
The support group welcomes people recovering from an ED.
A poster about ED treatment hung outside the school counselor's office.
Putri read a memoir about living with an ED in college.
- eating disorder
the full clinical term
文法句型
an ED
ED treatment
recover from an ED
用法筆記
Common in counseling, health care, and support-group settings where speakers want a brief label. In public-facing writing, the full term eating disorder is often clearer.
常見錯誤
5. the letters ED, meaning a continuing problem with getting or staying firm enough
the letters ED, meaning a continuing problem with getting or staying firm enough for sex
The clinic offers private appointments for men worried about ED.
ED in clinical consultation
Darius finally spoke to his doctor about ED after many months.
A television ad promised quick ED treatment without surgery.
The pharmacist explained how the ED medicine should be taken.
- erectile dysfunction
the full medical term
文法句型
have ED
talk about ED
ED treatment
用法筆記
This abbreviation is frequent in medical consultations, health articles, and prescription information. In direct conversation, some speakers prefer the full term for clarity.
常見錯誤
6. the letters ED, used in research and pharmacology for the quantity of a drug req
the letters ED, used in research and pharmacology for the quantity of a drug required to bring about the wanted effect
The paper compared the ED of the new drug in mice and dogs.
the ED of a drug in research writing
Allison checked whether the ED changed when patients took the tablet with food.
The lab report listed the ED beside the toxic dose.
Researchers lowered the ED after a smaller amount worked in the trial.
- effective dose
the full technical term
文法句型
the ED of a drug
list the ED
lower the ED
用法筆記
Belongs mainly to specialist writing in pharmacology and drug testing. General medical communication usually spells out effective dose unless the audience is expected to know the abbreviation.
常見錯誤
ed — abbreviation
1. the written form ed., placed with a name or title in citations to show who edite
the written form ed., placed with a name or title in citations to show who edited a work or that a text has been prepared by an editor
The citation read "Mei Chen, ed." at the end of the essay.
name, ed. in a citation
On the title page, "ed. Samuel Ortiz" appeared under the book name.
The anthology was listed as "Stories of the Coast, ed. Laila Noor."
The archive record said "diary, ed. and annotated by Ruth Berg."
文法句型
name, ed.
ed. + name
ed. and annotated by
用法筆記
Used in bibliographies, title pages, and catalog records rather than ordinary prose. The period is normally kept because this is a conventional written label.
常見錯誤
2. the written form ed., used after an edition number or description to show which
the written form ed., used after an edition number or description to show which version of a book or reference work is meant
The library bought the 3rd ed. of the chemistry handbook.
3rd ed. after an edition number
Our professor assigned the newest ed. of the style guide.
The used copy was the 2018 ed., not the revised one.
Mauricio ordered the international ed. because it cost less.
文法句型
3rd ed.
latest ed.
international ed.
用法筆記
Appears in catalogs, reading lists, and book references where the exact version matters. In full sentences outside those contexts, writers often prefer the full word edition.