gilbert

gilbert — noun

1. A unit in the older CGS system of measurement that tells how strong a magnetic f

1.名詞C2
釋義

A unit in the older CGS system of measurement that tells how strong a magnetic field is produced by an electric current. One gilbert equals about 0.8 times the force produced by one ampere flowing through one turn of wire in the modern SI system.

例句

Professor Chen asked the class to calculate the magnetic force in gilberts.

measured in gilberts — unit-of-measurement pattern

The old physics textbook still used gilberts instead of the modern ampere-turn.

number + gilberts — countable unit noun

同義詞
  • ampere-turn

    the modern SI unit that has replaced the gilbert in most contexts; 1 gilbert ≈ 0.8 At

文法句型

number + gilberts

measured in gilberts

用法筆記

Now largely historical; modern physics and engineering use the SI unit ampere-turn (At) instead. The unit is named after the English scientist William Gilbert.

常見錯誤

The magnet had a force of 5 gilberts per square centimetre.
The magnet had a force of 5 gilberts.
💡Gilberts measure total magnetomotive force, not force per area; that would be gauss or oersted.

2. A city in the southwestern United States, located near Phoenix in the state of A

2.名詞B2
釋義

A city in the southwestern United States, located near Phoenix in the state of Arizona. It began as a small farming community and has grown into one of the fastest-growing suburbs in the country.

例句

Tendai moved to Gilbert, Arizona, for a job at a new technology company.

move to Gilbert, Arizona — place-name pattern

The high school in Gilbert won the state baseball championship last year.

in Gilbert — preposition pattern for location

文法句型

in Gilbert

Gilbert, Arizona

用法筆記

Always capitalised as a proper place name. In address format, include the state: 'Gilbert, AZ'.

3. Cass Gilbert (1859–1934), an American architect famous for designing large publi

3.名詞C1
釋義

Cass Gilbert (1859–1934), an American architect famous for designing large public buildings and skyscrapers, including the United States Supreme Court building in Washington, D.C., and the Woolworth Building in New York City.

例句

Felix wrote a school report about Cass Gilbert, the architect of the Woolworth Building.

Cass Gilbert, the architect of — appositive pattern

The tour guide pointed out several buildings in downtown Saint Paul designed by Cass Gilbert.

designed by Cass Gilbert — passive pattern

文法句型

designed by Cass Gilbert

Cass Gilbert + building name

用法筆記

Use the full name 'Cass Gilbert' on first mention in a text; 'Gilbert' alone may be used afterward if the context is clear.

4. Sir Humphrey Gilbert (c. 1539–1583), an English explorer and soldier during the

4.名詞C2
釋義

Sir Humphrey Gilbert (c. 1539–1583), an English explorer and soldier during the reign of Queen Elizabeth I. He claimed the island of Newfoundland for England and died at sea while trying to return from North America.

例句

Sir Humphrey Gilbert claimed Newfoundland for England in the year 1583.

Sir Humphrey Gilbert claimed — historical action pattern

Eli learned about Sir Humphrey Gilbert's voyage across the Atlantic Ocean for a history exam.

文法句型

Sir Humphrey Gilbert

Humphrey Gilbert + verb (explored, claimed)

用法筆記

Almost always referred to with the title 'Sir' in historical writing. Distinguish from other Gilberts in Elizabethan history by using the full title on first mention.

5. William Gilbert (1544–1603), an English physician and scientist who served Queen

5.名詞C2
釋義

William Gilbert (1544–1603), an English physician and scientist who served Queen Elizabeth I. He is considered the father of electrical and magnetic science because he wrote the book 'De Magnete' and was the first person to describe the Earth as a giant magnet.

例句

William Gilbert's book 'De Magnete' changed how European scientists understood magnetism.

William Gilbert's book — possessive with scientist

Sahil's science teacher mentioned that William Gilbert served as Queen Elizabeth's personal physician.

文法句型

William Gilbert + verb (showed, wrote, discovered)

用法筆記

Do not confuse with Sir William Schwenck Gilbert (a different person, index 6). The magnetic unit 'gilbert' is named after this William Gilbert.

常見錯誤

William Gilbert wrote comic operas with Arthur Sullivan.
William Gilbert was a physician and scientist who studied magnetism.
💡The librettist who worked with Sullivan was Sir William Schwenck Gilbert.

6. Sir William Schwenck Gilbert (1836–1911), an English poet and playwright best kn

6.名詞C1
釋義

Sir William Schwenck Gilbert (1836–1911), an English poet and playwright best known for writing the words to the comic operas he created with the composer Arthur Sullivan. Their famous works include 'The Pirates of Penzance', 'H.M.S. Pinafore', and 'The Mikado'.

例句

Heloísa's choir class performed a song from Gilbert and Sullivan's 'The Pirates of Penzance.'

Gilbert and Sullivan's — joint possessive pattern

W. S. Gilbert wrote witty verses that made fun of British society and politics.

文法句型

Gilbert and Sullivan

W. S. Gilbert + operetta title

用法筆記

The partnership is almost always referred to as 'Gilbert and Sullivan' (in that order). His name is often abbreviated as 'W. S. Gilbert' in references. Do not confuse with the scientist William Gilbert (index 5).

常見錯誤

William Gilbert wrote the words to The Mikado.
W. S. Gilbert wrote the words to The Mikado.
💡The librettist and the scientist are two different people with similar names.