marcus

marcus — noun

1. A Canadian-born American scientist who won the 1992 Nobel Prize in Chemistry. He

1.名詞C1
釋義

A Canadian-born American scientist who won the 1992 Nobel Prize in Chemistry. He developed a widely taught theory that explains how electrons move from one molecule to another during chemical reactions.

例句

Rudolph A. Marcus became the first Canadian-born chemist to win the Nobel Prize in 1992.

passive: [Name] became the first [role] to win [prize]

The Marcus theory of electron transfer is now taught in university chemistry courses worldwide.

attributive noun: 'the Marcus theory' / 'the Marcus equation'

文法句型

often in possessive attributive form: [Name]'s + theory/equation

used with definite article in 'the Marcus theory'

用法筆記

In academic writing, Marcus is most often used in possessive attributive form ('Marcus theory', 'Marcus equation'). The definite article is required when referring to the theory by name: 'the Marcus theory'. Outside chemistry contexts, the surname alone may not be recognized without the first name or Nobel reference.

常見錯誤

❌Marcus theory was published in the 1950s.
✅The Marcus theory was first developed in the 1950s.
💡scientific theories named after a person normally take the definite article 'the'.
❌I learned about Marcus in class' (when referring to Rudolph A. Marcus).
✅I learned about Rudolph A. Marcus in class.
💡using only 'Marcus' can be unclear; specify the full name when first mentioning the person.