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Accelerant Echo

The emotional after‑effect of someone who used to create instability in your life. They’re gone, but your body still reacts to reminders of them as if the chaos is still happening.
She’s been out of that relationship for months, but her Accelerant Echo fires the second someone raises their voice — even if it isn’t directed at her.
by Briton Phillip March 9, 2026
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Accelerationcore

a genre adjacent to speedcore, not defined by its sound, but rather its structure. The focus is on the use of tempo acceleration (whether it be gradual or incremental), causing the song's tempo (and usually intensity) to increase over time. Songs in this genre often feature repetition of previous musical parts, but played faster (and often louder) than they were previously in the song, in order to emulate a sense of stress, panic and urgency.

some examples: "Sunny day" from Vib Ribbon, "Remix 8" from Rhythm Heaven DS, "Rush E", "kalinka", "In the hall of the mountain king"
"Dude, I know it starts slow, but it's just accelerationcore, trust me you'll feel whipped by the time it's over"
by NickPikk May 21, 2025
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acceleration

the rate of change of velocity per unit of time.
a car accelerating from rest experiences a change in velocity over a specific time interval, meaning it has a positive acceleration.
by Arminkshipper August 16, 2025
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California Acceleration Project

An Anti-Mathematics lobbying group which believes people of color are incapable of passing mathematics, and convinced the state legislature to ban mathematics at California community colleges by "accelerating" all students into Statistics.

Also known as CAP.
Wow, 100% of State Legislators voted to approve AB-705? Don't they know that the California Acceleration Project used doctored statistics from the RP Group to promote this super racist bill? It's going to set back a generation of students.
by Nicolas Bourbaki September 1, 2018
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Centripetal acceleration

The acceleration towards the center of the circle is known as centripetal acceleration.

An object traveling in a circular path may have a constant speed, but it is not traveling in a straight line. The velocity and direction are changing as velocity is a vector. A change in velocity means the object is accelerating.
by physicsnoob:p September 12, 2020
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Magnetic Acceleration Reactor

A Magnetic Acceleration Reactor (MAR) is a reactor that's invented by a Roblox group called Cosmic Science Inc; it generate power using magnetic forces and plasma from cells.
Breeze: Do you know how to replace cells in the Magnetic Acceleration Reactor?
Cat: No, but security have the footage.
Breeze: ok
by Mr Forc3 June 22, 2021
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particle accelerator game

You and your friend stand at opposite ends of a long hall, you then start accelerating towards them unti you collide with them. The game is named after particle accelerators which accelerate particle packets to near light speed before sending them into each other.
Hey Joe want to play the particle accelerator game?
Mark got a broken nose from playing the particle accelerator game with Joe yesterday.
by special_relativity October 29, 2021
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