heavy 1 of 3 adjective ˈhe-vē heavier; heaviest 1 a : having great weight also : characterized by mass or weight how heavy is it? b : having a high specific gravity : having great weight in proportion to bulk Lead and gold are heavy metals. c (1) of an isotope : having or being atoms of greater than normal mass for that element heavy carbons (2)

heavy 1 of 2 adjective 1 as in massive having great weight this trunk full of books is much too heavy for one person to lift Synonyms & Similar Words Relevance massive hefty ponderous substantial bulky weighty solid burdensome voluminous leaden massy outsized lumpish outsize top-heavy overweight elephantine ultraheavy Antonyms & Near Antonyms light

British Dictionary definitions for heavy a large fleet unit, esp an aircraft carrier or battleship a large calibre or weighty piece of artillery

1. of comparatively great weight: a heavy stone. 2. (General Physics) having a relatively high density: lead is a heavy metal. 3. great in yield, quality, or quantity: heavy rain; heavy traffic. 4. great or considerable: heavy emphasis. 5. hard to bear, accomplish, or fulfil: heavy demands. 6. sad or dejected in spirit or mood: heavy at heart.

heavy adjective (TO A GREAT DEGREE) B1 ( especially of something unpleasant) of very or especially great force, amount, or degree: a heavy blow to the head heavy fighting heavy …

large and powerful; especially designed for heavy loads or rough work. “a heavy truck”. “ heavy machinery”. Synonyms: heavy-duty. designed for heavy work. adjective. of the military or industry; using (or being) the heaviest and most powerful armaments or weapons or equipment. “ heavy artillery”.

Britannica Dictionary definition of HEAVY 1 a : having great weight : difficult to lift or move “Is that box too heavy for you to lift?” “No, it's not very heavy .” a heavy suitcase heavy pots and pans The truck was carrying a heavy load. — opposite light b : large in size and weight The man was six feet tall with a heavy build.

Heavy industry is an industry that involves one or more characteristics such as large and heavy products; large and heavy equipment and facilities (such as heavy equipment, large machine tools, huge buildings and large-scale infrastructure ); or complex or numerous processes.

Having greatweight; ponderous; hardtolift, bear, orsuffer; dejected: sluggish. Part of speech: Noun Heavyness. Usage examples for "heavy": Conal layheavy andstill. - "The Pioneers", Katharine Susannah Prichard.

Heavy metals are generally defined as metals with relatively high densities, atomic weights, or atomic numbers. The criteria used, and whether metalloids are included, vary depending on the author and context. [2]