What does hydroxide mean?

hydroxide (noun): An univalent anion (OH-) based on the hydroxyl functional group. As a hashtag, #hydroxide carries this topic across social platforms.

How popular is #hydroxide?

#hydroxide has no measured public activity on the open social web in the last 7 days. It is currently wide open.

What hashtags are related to #hydroxide?

No related hashtags with measured usage were found for #hydroxide.

How much does it cost to own #hydroxide?

#hydroxide is available as a #name from $51.02 per year. You can claim it by card at https://hashtag.org/checkout/portal-name?name=hydroxide or with tokens on hashtag.space at https://hashtag.space/#hydroxide.

#hydroxide

Name: #hydroxide — a #name on hashtag.org
Brand: hashtag.org
Price: 51.02 USD
Availability: InStock

Live, measured metrics for the hashtag #hydroxide from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #hydroxide

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$51.02/ year · 9-character #name

Claim #hydroxide — $51.02/yr→Buy on hashtag.space (web3)

card via hashtag.org · tokens via hashtag.space

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Uses / 7 days

Mastodon

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Accounts / 7 days

Mastodon

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Day-by-day usage

measured · mastodon.social (Mastodon public tags API) · fetched 2026-08-14 15:16 UTC

No measured public usage for #hydroxide in the last 7 days. That is a real result, and a good one to know: this hashtag is wide open right now. We show a dash before we ever show a made-up number. Browse the trending index for tags with live measurements.

Related hashtags

measured · mastodon.social (Mastodon public search API) · fetched 2026-08-14 15:16 UTC

No related tags with measured usage found for #hydroxide.

Live pulse

measured · Mastodon tag timeline · fetched 2026-08-14 15:16 UTC

No recent public posts found for #hydroxide on Mastodon. Nothing measured, so nothing shown.

What “hydroxide” means

Wiktionary · Wikipedia

hydroxide/haɪ.ˈdɹɒks.aɪd/

nounAn univalent anion (OH-) based on the hydroxyl functional group.

Full entry on Wiktionary →

Hydroxide is a diatomic anion with chemical formula OH−. It consists of an oxygen and hydrogen atom held together by a single covalent bond, and carries a negative electric charge. It is an important but usually minor constituent of water. It functions as a base, ligand, nucleophile, and catalyst. The hydroxide ion forms salts, some of which dissociate in aqueous solutions, liberating solvated hydroxide ions. Sodium hydroxide is a multi-million-ton per annum commodity chemical. The corresponding

“Hydroxide” on Wikipedia (CC BY-SA) →

#hydroxide across platforms

every network with a public tag surface

Follow #hydroxide straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.

X (Twitter) ↗Instagram ↗TikTok ↗Facebook ↗LinkedIn ↗YouTube ↗Threads ↗Bluesky ↗Mastodon ↗Reddit ↗Pinterest ↗Tumblr ↗

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/hydroxide