VocabDictionary

I-beam

/ˈaɪ.biːm/intermediate Level

English Meaning & Definitions

1.noun

A structural metal beam with an I-shaped cross-section, used primarily in the construction of buildings and bridges to provide high load-bearing strength.

Example Sentences:
  • The construction crew used a massive crane to hoist the steel I-beam into the skyscraper's skeleton.
  • Engineers calculated that a single reinforced I-beam could support the weight of the entire upper floor.
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English Antonyms & Opposites

Comprehensive Thesaurus Breakdown

Compare formal, informal, literary synonyms and register nuances for “I-beam”.

Thesaurus Entry
Cultural Origin & Etymology

The term is a descriptive compound named for the beam's cross-sectional shape, which resembles the capital letter 'I'. The design consists of two horizontal planes, known as flanges, connected by a vertical component called the web. This structural form was patented by Alphonse Halbou in 1849 and became a cornerstone of modern civil engineering due to its ability to resist shear and bending moments with minimal material weight.

Memory Aid & Mnemonic

Look at the end of the beam: it looks exactly like a capital 'I' for 'Iron' or 'Industry'.

Frequently Asked Questions About “I-beam

1. What is the meaning of “I-beam” in English?

In English, I-beam (noun) is defined as: “A structural metal beam with an I-shaped cross-section, used primarily in the construction of buildings and bridges to provide high load-bearing strength.”.

2. How do you use “I-beam” in a sentence?

The construction crew used a massive crane to hoist the steel I-beam into the skyscraper's skeleton.

3. What are English synonyms of “I-beam”?

4. What is the etymology and word origin of “I-beam”?

The term is a descriptive compound named for the beam's cross-sectional shape, which resembles the capital letter 'I'. The design consists of two horizontal planes, known as flanges, connected by a vertical component called the web. This structural form was patented by Alphonse Halbou in 1849 and became a cornerstone of modern civil engineering due to its ability to resist shear and bending moments with minimal material weight.