Definitions

periodic table

[peer-ee-od-ik, peer-] / ˈpɪər iˈɒd ɪk, ˌpɪər- /

NOUN

chemical table

Synonyms

WEAK

periodic table of elements table of elements

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The periodic table supposedly came to Dmitri Mendeleev in a dream.

From The Wall Street Journal • May 13, 2026

Every character has an adorable quirk or two, or at minimum owns a dorky T-shirt with a periodic table joke or a cartoon cat.

From Los Angeles Times • Mar. 18, 2026

Germanium and arsenic sit next to each other on the periodic table, making the compounds chemically similar but structurally distinct.

From Science Daily • Jan. 12, 2026

These include scandium, yttrium and the lanthanides, which account for 15 chemical elements in the periodic table.

From MarketWatch • Oct. 28, 2025

At the Rad Lab, every researcher claimed or was assigned an element from the periodic table as an experimental target, with the most senior staffers getting the most promising substances.

From "Big Science" by Michael Hiltzik