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keyword

quantum physics definition

Monthly search volume and cost-per-click data for "quantum physics definition" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=quantum+physics+definition&country=us" +--------------+------------------+ | volume | 9,900 | | cpc | $6.46 | | competition | 0.02 | | country | US | | updated | 2026-06-13 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
quantum physics 49,500 $3.2 20/20
what are quantum physics 18,100 $4.21 20/20
what is quantum physics 18,100 $2.88 20/20
define quantum theory 9,900 $8.61 20/20
definition of quantum physics 9,900 $2 20/20
quantum mechanics definition 9,900 $6.54 20/20
quantum physics meaning 9,900 $2.11 20/20
quantum theory definition 9,900 $2 20/20
quantum physics explained 1,600 $4.92 20/20
what is quantum theory 1,300 $7.83 20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=quantum+physics+definition&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt