A series of particles or waves traveling close together in parallel paths

• ray

  1. A narrow stream of radiant energy, especially visible light, traveling in a straight or nearly straight line.
  2. A narrow stream of particles such as protons traveling in a straight or nearly straight line.
  3. A rapidly moving particle traveling in a straight or nearly straight line.

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  1. A narrow stream of radiant energy, especially visible light, traveling in a straight or nearly straight line.
  2. A narrow stream of particles such as protons traveling in a straight or nearly straight line.
  3. A rapidly moving particle traveling in a straight or nearly straight line.

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• beam

  1. A squared-off log or a large, oblong piece of timber, metal, or stone used especially as a horizontal support in construction.
  2. A transverse structural member of a ship's frame, used to support a deck and to brace the sides against stress.
  3. The breadth of a ship at the widest point.

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  1. A squared-off log or a large, oblong piece of timber, metal, or stone used especially as a horizontal support in construction.
  2. A transverse structural member of a ship's frame, used to support a deck and to brace the sides against stress.
  3. The breadth of a ship at the widest point.

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A relatively long, straight, rigid piece of metal or other solid material

• stick

  1. A branch or stem that has fallen or been cut from a tree or shrub.
  2. A piece of wood, such as a tree branch, that is used for fuel, cut for lumber, or shaped for a specific purpose.
  3. A wand, staff, baton, or rod.

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  1. A branch or stem that has fallen or been cut from a tree or shrub.
  2. A piece of wood, such as a tree branch, that is used for fuel, cut for lumber, or shaped for a specific purpose.
  3. A wand, staff, baton, or rod.

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• slab

  1. A broad, flat, thick piece, as of stone or cheese.
  2. An outside piece cut from a log when squaring it for lumber.
  3. The pitcher's rubber.

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  1. A broad, flat, thick piece, as of stone or cheese.
  2. An outside piece cut from a log when squaring it for lumber.
  3. The pitcher's rubber.

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• rod

  1. A fishing rod.
  2. A piston rod.
  3. An often expandable horizontal bar, especially of metal, used to suspend household items such as curtains or towels.

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  1. A fishing rod.
  2. A piston rod.
  3. An often expandable horizontal bar, especially of metal, used to suspend household items such as curtains or towels.

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• bloom

  1. The flower of a plant.
  2. Something resembling the flower of a plant:
  3. The condition of being in flower:

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  1. The flower of a plant.
  2. Something resembling the flower of a plant:
  3. The condition of being in flower:

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• bar

  1. A relatively long, straight, rigid piece of solid material used as a fastener, support, barrier, or structural or mechanical member.
  2. A solid oblong block of a substance or combination of ingredients, such as soap or candy.
  3. Any of various flat baked confections that are typically dense and harder than cakes and served cut into rectangular pieces.

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  1. A relatively long, straight, rigid piece of solid material used as a fastener, support, barrier, or structural or mechanical member.
  2. A solid oblong block of a substance or combination of ingredients, such as soap or candy.
  3. Any of various flat baked confections that are typically dense and harder than cakes and served cut into rectangular pieces.

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Rod

• pole

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• cylinder

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• bar

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• handle

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• stem

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A weapon

• missile

  1. An object or weapon that is fired, thrown, dropped, or otherwise projected at a target; a projectile.
  2. A guided missile.
  3. A ballistic missile.

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  1. An object or weapon that is fired, thrown, dropped, or otherwise projected at a target; a projectile.
  2. A guided missile.
  3. A ballistic missile.

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• lance

  1. A thrusting weapon with a long wooden shaft and a sharp metal head.
  2. A similar implement for spearing fish.
  3. A cavalry lancer.

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  1. A thrusting weapon with a long wooden shaft and a sharp metal head.
  2. A similar implement for spearing fish.
  3. A cavalry lancer.

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• spear

  1. A weapon consisting of a long shaft with a sharply pointed end.
  2. A shaft with a sharp point and barbs for spearing fish.
  3. A soldier armed with a spear.

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  1. A weapon consisting of a long shaft with a sharply pointed end.
  2. A shaft with a sharp point and barbs for spearing fish.
  3. A soldier armed with a spear.

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• arrow

  1. A missile having a straight thin shaft with a pointed head at one end and often flight-stabilizing vanes at the other, meant to be shot from a bow.
  2. Something, such as a directional symbol, that is similar to an arrow in form or function.
  3. To move like an arrow.

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  1. A missile having a straight thin shaft with a pointed head at one end and often flight-stabilizing vanes at the other, meant to be shot from a bow.
  2. Something, such as a directional symbol, that is similar to an arrow in form or function.
  3. To move like an arrow.

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Light ray

• beam of light

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• streak

  1. A line, mark, smear, or band differentiated by color or texture from its surroundings.
  2. An inherent, often contrasting quality:
  3. A ray or flash of light:

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  1. A line, mark, smear, or band differentiated by color or texture from its surroundings.
  2. An inherent, often contrasting quality:
  3. A ray or flash of light:

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• wave

  1. To move freely back and forth or up and down in the air, as branches in the wind.
  2. To make a signal with an up-and-down or back-and-forth movement of the hand or an object held in the hand:
  3. To have an undulating or wavy form; curve or curl:

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  1. To move freely back and forth or up and down in the air, as branches in the wind.
  2. To make a signal with an up-and-down or back-and-forth movement of the hand or an object held in the hand:
  3. To have an undulating or wavy form; curve or curl:

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