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1. Symbol Sn A crystalline, silvery metallic element obtained chiefly from cassiterite, and having two notable allotropic forms. Malleable white tin is the useful allotrope, but at temperatures below 13.2°C it slowly converts to the brittle gray allotrope. Tin is used to coat other metals to prevent corrosion and is a part of numerous alloys, such as soft solder, pewter, type metal, and bronze. Atomic number 50; atomic weight 118.71; melting point 231.93°C; boiling point 2,602°C; specific gravity (gray) 5.77, (white) 7.29; valence 2, 4. See Periodic Table.
2. Tin plate.
3. A container or box made of tin plate.
4. Chiefly British
a. A container for preserved foodstuffs; a can.
b. The contents of such a container.
tr.v. tinned, tin·ning, tins
1. To plate or coat with tin.
2. Chiefly British To preserve or pack in tins; can.
1. Of, relating to, or made of tin.
a. Constructed of inferior material.
b. Spurious.

[Middle English, from Old English.]
Word History: The origins of the word tin may date to a time before Western Europe was settled by speakers of Germanic, Celtic, and other branches of the Indo-European language family. Related words for this metal are found in almost all Germanic languages, such as German Zinn, Swedish tenn, and Old English tin (the source of the Modern English word). Together, these Germanic words suggest the reconstruction of a Proto-Germanic word *tinam, "tin," but no other branch of Indo-European language family has a word exactly comparable to this. Latin has a vaguely similar-sounding word for tin, stagnum (also spelled stannum), that may have been borrowed from a Celtic source. These facts suggest that the Germanic word for tin may originate in a pre-Indo-European language of Western Europe. This possibility is supported by the Bronze Age importation to the Near East of tin and copper from Western Europe. There are relatively few rich deposits of tin in the earth's crust, and production of bronze in the ancient world was limited by the availability of tin. During the Bronze Age, the civilizations of the Near East and the Mediterranean area depended on relatively few sources to provide the tin needed to make bronze. The Greek historian Diodorus Siculus, writing in the 1st century bc, explains that much ancient tin came from deposits in Cornwall in Britain. From there, it was shipped through Gaul to supply the rest of the Mediterranean world. At the time when the early Indo-European peoples began to move westward from their homelands in Eastern Europe—sometime after 4000 bc—they had probably just mastered early techniques of bronze production, in which arsenic rather than tin is alloyed with copper. Tin, however, makes a much superior kind of bronze, and the early Indo-European peoples may have borrowed words for tin from local peoples who were already trading in tin ingots or working the tin deposits of Western Europe.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.tinning - the application of a thin layer of soft solder to the ends of wires before soldering them; "careful tinning of the ends of wires results in a better joint when you solder them"
application, coating, covering - the work of applying something; "the doctor prescribed a topical application of iodine"; "a complete bleach requires several applications"; "the surface was ready for a coating of paint";
2.tinning - the application of a protective layer of tin
application, coating, covering - the work of applying something; "the doctor prescribed a topical application of iodine"; "a complete bleach requires several applications"; "the surface was ready for a coating of paint";
References in periodicals archive ?
THE IMAGE IN FIGURE 1 shows tin plating slivers on the body of a QFN component.
The host connector is available in either 15o or 30o gold contact plating, with matte tin plating on the termination.
Every immersion tin plating operation faces the same problem during the immersion tin bath.
Contacts composed of copper alloy with tin plating.
Tin whiskers were observed on packages following lead-free assembly onto boards with tin plating.
He continues: "We already lead the industry in the plating of connectors and semiconductor packaging, and are a major player in metal finishing, plating on plastics and steel mill tin plating.
The grounded IEC 320 receptacles meet UL and CUL standards, and the contacts and ground clip are made of copper alloy with a bright tin plating.
Plant and Machinery have been erected as per UEC specification by an American Company which has supplied more than 30 tin plating line World over.
The diffusion profile of indium was altered by varying the dwell times of the HT and utilizing two variants of indium layer deposition, namely, 1) electroplating indium at the top of the tin plating, and 2) sandwiching the indium In plating between two tin layers, each approximately 500nm thick.