TEA’s BIBLE
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Glossary

Tea Terminology Glossary

Flush, CTC, Orthodox, Full Leaf... A mini-dictionary of terms commonly used in black tea. Knowing these will make selecting tea leaves smoother.

This is a compilation of terms frequently seen on black tea labels and descriptions. You can also follow links to related articles for each term.

Terms Related to Harvesting and Season

TermMeaning
FlushThe period when tea leaves are harvested. The famous ones are Darjeeling's First (spring harvest), Second (summer harvest), and Autumnal (autumn harvest). → Season
Quality SeasonThe time when the highest quality tea leaves are harvested in that region. Used in Ceylon.
Single EstateBlack tea produced from a single tea garden. A concept that contrasts with blends.

Terms Related to Production Methods

TermMeaning
Orthodox MethodA traditional method that preserves the shape of the tea leaves, resulting in delicate aromas.
CTC MethodInitials for Crush, Tear, Curl. Produces a granular tea that brews quickly and strongly. Suitable for tea bags and milk tea.
BlendA mixture of multiple tea leaves to achieve a consistent flavor. → Famous Brand Blends
Flavored TeaBlack tea infused with the aromas of flowers or fruits. Earl Grey is a representative example. → Flavored Tea

Tea Leaf Shape and Grades

TermMeaning
Full LeafTea leaves that remain large. They have a rich aroma and brew slowly.
BrokenCrushed tea leaves. Brew quickly and strongly.
Fannings/DustEven finer tea leaves, primarily used for tea bags.
OP/BOPOrange Pekoe/Broken Orange Pekoe. Grade symbols indicating size, not quality. → Grade
TipThe new bud part of the tea leaf. The more tips, the higher the quality. The letters 'F', 'G', and 'T' in FOP, SFTGFOP, etc., indicate the quantity and quality of these buds.

Terms Related to Flavor and Brewing

TermMeaning
Liquor ColorThe color of the brewed tea liquid. → Tasting and Liquor Color Terms
JumpingThe phenomenon where tea leaves circulate up and down in the pot. A key to good extraction. → Brewing Method
TanninsComponents that contribute to astringency. Can also cause cloudiness when cooled. → Cream Down
Cream DownThe phenomenon where iced tea turns cloudy and white when cooled.