English Reference

Word

LCD

Phoneticslcd

Definitions

01screen technology

B2 · Computing

n. Stands for liquid crystal display. This is the technology used to make flat screens for watches, phones, and laptops.

n. Abbreviation for liquid crystal display. A flat-panel display technology that uses the light-modulating properties of liquid crystals.

“The LCD on my old calculator is starting to fade and is hard to read.”

“Modern smartphones have largely transitioned from LCD to OLED panels to achieve deeper black levels and better energy efficiency.”

Technical

Usage

Usually used as a noun or as a modifier before another noun like 'screen' or 'panel'.

Teaching tip

While technically an initialism, it is almost always used as a standalone noun in consumer electronics contexts.

02math/fractions

C1 · Math

n. Stands for lowest common denominator. In math, it is the smallest number that can be divided evenly by all the bottom numbers in a set of fractions.

n. Abbreviation for lowest common denominator. The smallest positive integer that is a multiple of the denominators of a set of fractions.

“To add these two fractions, you first need to find the LCD.”

“Finding the LCD is a fundamental step in simplifying complex algebraic expressions involving multiple rational terms.”

Technical

Usage

Often used in the figurative phrase 'lowest common denominator' to describe something simplified to appeal to the largest possible number of people.

Teaching tip

In a non-math context, 'lowest common denominator' often has a negative tone, suggesting a lack of quality or sophistication.

Synonyms

least common denominator

Domains

ComputingElectronics

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

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English Reference