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SYNONYMS OR RELATED TERMS: Climatic Optimum, Thermal Maximum, Long Drought; altithermal; Great Drought; Holocene climatic optimum.

SYNONYMS OR RELATED TERMS: fiber tempering CATEGORY: ceramics DEFINITION: Any clay pottery to which grass or root fibers have been added as a tempering material.This ware is the earliest pottery in Caribbean South America and is the oldest pottery in the United States, making its appearance in Archaic shell mounds in Georgia and Florida before 2500 SYNONYMS OR RELATED TERMS: FTNCATEGORY: culture DEFINITION: A term sometimes used to describe the earliest farming cultures in the temperate zone of Europe (and sometimes in other areas).In southeast Europe from c 5400-4500/4300 (eastern and southwest Hungary), Cris (west and lowland Rumania), Kremikovci (northwest Bulgaria), and Karanovo (central and southern Bulgaria).The regional groups are differentiated by their individual painted wares, but the group of cultures is unified by non-ceramic traits such a miniature polished bone spoons, lip-plugs, rod-head figurines, and stamp seals.The vast majority of early FTN sites are located in the major river valleys of the Balkans, either as tell settlements or as short-lived flat sites.

Hoe or digging-stick agriculture combined with cattle husbandry was the economic base of most FTN settlements.SYNONYMS OR RELATED TERMS: grass-tempered pottery CATEGORY: ceramics DEFINITION: Pottery either marked or tempered with grass.In western Britain, there are examples of pottery covered with 'grass' impressions from Ulster, the Hebrides, and Cornwall, especially around the 5th-6th centuries AD.The term also refers to crude handmade ware made in various parts of Frisia in the CATEGORY: artifact DEFINITION: Pottery embodying chopped grass or straw in its fabric as a tempering agent.Grass-tempered wares are well represented amongst pagan Saxon communities of the immediate post-SYNONYMS OR RELATED TERMS: grog CATEGORY: ceramics DEFINITION: Foreign material (sand, plant fibers, grit, shell, crushed rock, broken pottery) added to clay for potterymaking to improve its firing qualities and prevent a vessel from cracking during the drying process.Temper reduces plasticity, which would cause shrinkage or cracking upon drying and firing.