What does pentode mean?

pentode (noun): A thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid; was/is used in high quality audio and radio products As a hashtag, #pentode carries this topic across social platforms.

How popular is #pentode?

#pentode 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 #pentode?

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

How much does it cost to own #pentode?

#pentode is available as a #name from $240.06 per year. You can claim it by card at https://hashtag.org/checkout/portal-name?name=pentode or with tokens on hashtag.space at https://hashtag.space/#pentode.

#pentode

Name: #pentode — a #name on hashtag.org
Brand: hashtag.org
Price: 240.06 USD
Availability: InStock

Live, measured metrics for the hashtag #pentode 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 #pentode

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.

$240.06/ year · 7-character #name

Claim #pentode — $240.06/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 2026-09-26 14:39 UTC

No measured public usage for #pentode 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 2026-09-26 14:39 UTC

No related tags with measured usage found for #pentode.

Live pulse

measured · Mastodon tag timeline · fetched 2026-09-26 14:39 UTC

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

What “pentode” means

Wiktionary · Wikipedia

pentode

nounA thermionic valve similar to a tetrode with the addition of a third grid, the suppressor grid; was/is used in high quality audio and radio products

Full entry on Wiktionary →

A pentode is an electronic device having five electrodes. The term most commonly applies to a three-grid amplifying vacuum tube or thermionic valve that was invented by Gilles Holst and Bernhard D.H. Tellegen in 1926. The pentode was developed from the screen-grid tube or shield-grid tube by the addition of a grid between the screen grid and the plate. The screen-grid tube was limited in performance as an amplifier due to secondary emission of electrons from the plate. The additional grid is cal

“Pentode” on Wikipedia (CC BY-SA) →

#pentode across platforms

every network with a public tag surface

Follow #pentode 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/pentode