GLOSSARY

GRAV is proud to be part of the scientific glass community and a tradition of glassblowing that is centuries old and still evolving. We encourage everyone to be curious and eager to learn. Our glossary helps to clarify some of the terms we use most often to talk about our products. If you'd like to better understand an aspect of glass blowing that isn't featured here, [email protected] is ready to help.

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Roll-your-own, fill-your-own. This is a category of products like joints, blunts, glass joints, and flower pods that allow users to take flower they've purchase separately and make tat home a ver... Learn More
A piece is a smoking device. It usually refers to a glass pipe, bubbler, or bong, but it can also mean a wooden pipe, vape, or anything a person smokes out of. If someone likes your bong, they mi... Learn More
Perc is an abbreviation of "percolator". Percolators use water to filter smoke by breaking up the smoke stream, removing tar from the smoke, and forcing the water and smoke into close quarters. P... Learn More
Bangers are glass dishes attached to a small arm that fits into a bong or rig's ground joint. They're designed for vaporizing cannabis concentrate. After a banger is heated with a torch, concentr... Learn More
An ash catcher is a structure that removes ash from the smoke stream before it reaches the mouthpiece. Some ash catchers are built into a piece, like the inverted ash catcher mouthpiece on many G... Learn More
A Taster® is a small GRAV® glass hand pipe, consisting of a short piece of tubing with a restriction near one end. The space above the restriction serves as a bowl, while the rest of the tube is ... Learn More
The most common use of "joint" in a cannbis concept is a cannabis cigarette. Smokers either roll their own joints using sheets of rolling paper (these need to be sealed like an envelope using a s... Learn More
A Venturi chamber is a glass structure that spins, cools, and aerates smoke. The chamber is shaped like a broad funnel with three evenly spaced holes pushed into the widest point of the curve. Sm... Learn More
A downstem is a tube that carries smoke or vapor from the bowl of a bong or bubbler into the water. Some downstems are fixed inside the pipe to prevent damage. Others are made with standardized j... Learn More
A carb is a hole in a hand pipe or bubbler that regulates airflow inside the pipe (as in a "carburater"). Typically, a smoker covers the carb with a finger while lighting the bowl. Then they unco... Learn More
A bowl is the structure that holds cannabis flower. You smoke the bowl by lighting the flower with a lighter or match. Some bowls are built into a pipe, like the push bowl on a GRAV® Spoon. Push ... Learn More
A play on "nom de guerre" (war name, like Dracula or Aegon the Conqueror or The Bloody Baron), nom de verre literally means "Glass Name" in French. Many glass pipe artists use pseudonyms, much li... Learn More
The only glass type more heat resistant than borosilicate is quartz (pure silica). We use quartz in our bangers and dabbing accessories so that dabbers can torch those tools to the high temperatu... Learn More
WigWag glass is a style of glasswork that blends layers of colored glass, creating a striped, tie-dye effect. WigWag pipes are so colorful they almost appear painted, and each pipe ends up lookin... Learn More
Scientific and heady are genres of glass pipes. Most pipes can be labeled either scientific or heady, with a spectrum running between them (the more scientific, the less heady). Heady glass focus... Learn More
Sandblasting is a style of glasswork characterized by a matte, opaque finish, and a rougher texture than most glass. The finish is made by literally blasting the glass with sand using a blowing t... Learn More
Frit glass is a style of glasswork that sandwiches coarse pieces of broken, colored glass ("frit") between layers of clear glass, creating an almost marble-like effect. Frit glass gives the appea... Learn More
Bubble Trap glass is a style of glasswork that traps air bubbles between layers of clear and colored glass, creating geometric patterns and giving the impression of depth and three-dimensionality... Learn More
Borosilicate is a type of glass that can tolerate shifts in temperature, making it perfect for building pipes. Because borosilicate doesn't expand as much as other glass types when heated, there'... Learn More
A budtender is a play on the word "bartender". A budtender works at a cannabis dispensary, store, or consumption lounge, where they prepare and sell cannabis products to patients or customers. Th... Learn More
A smoke sesh is the time you spend smoking one round of weed. It refers to both the length of time, the place you're smoking, and the experience itself. You can compare it to how we use the words... Learn More
Shake is low-quality flower that's usually sold at a lower price than nug flower. Cannabis sellers typically store their nuggets of flower in large, air-tight bags. As the flower moves around in ... Learn More
A nug is a chunk of cannabis flower. Nugs are usually pine cone shaped but can come in all shapes and sizes. When you buy weed, it will usually be a pile of nugs. Learn More
A freshly-packed bowl is full of green flower. The first hit from this bowl will be the most flavorful, and possibly the most potent. It's a generous act of friendship to offer someone "greens," ... Learn More
When a bowl is cashed, it's finished. There's no more smokeable cannabis in it, only ash, and it needs to be emptied out. Emptying a bowl of ash is also called "cashing" the bowl. Learn More
When a joint or blunt canoes, it's burning unevenly. If it burns down one side and not the other, it resembles a canoe, with one side hollowed out and the other, unburnt side still intact (like a... Learn More
Bogarting is when you're smoking cannabis with a group of people and, instead of passing the pipe after a couple of hits, you hold onto it for a selfish amount of time. Apparently Humphrey Bogart... Learn More
To hit or toke a pipe is to smoke from it (e.g. "I want to hit that bubbler"). As a noun, a hit is also the unit of measurement for how many inhales you took from the pipe (e.g. "I got three hits... Learn More
Scooby snacks are little pieces of burnt cannabis flower that are sucked into your mouth when they're pulled through the restriction (hole) at the bottom of a bowl. This can happen because you pu... Learn More
A spliff is a joint that contains a combination of ground cannabis flower and loose tobacco. Some people like that sort of thing. Learn More
Even though the five-pronged cannabis leaf is an iconic and commonplace shorthand for weed and weed culture, the part of the cannabis plant that people smoke is the flower. It doesn't look like a... Learn More
THC and CBD are cannabinoids, chemical compounds found in cannabis that influence sleep, mood, appetite, memory, sensation, and pleasure. They're named cannabinoids because they were first discov... Learn More
Vaping is a way to consume cannabis without burning anything. When cannabis concentrates are applied directly to a hot enough surface, the liquid in them will vaporize on contact. The steam or va... Learn More
Dabbing involves taking a small amount of cannabis concentrate and dropping it on a glass or metal surface that's been super-heated using a butane torch. You then inhale the vapor through a glass... Learn More
A blunt is a cannabis cigar. You can cut open a tobacco cigar, dump out the tobacco, fill it with ground cannabis, and reseal it with saliva before smoking. You can also purchase blunt wraps - sh... Learn More

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