Category:IALA Dictionary 1970-89 Edition
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International Dictionary of Marine Aids to Navigation |
This Category contains all pages with term definitions from the original 1970 - 1989 IALA Dictionary Editions.
Pages in category "IALA Dictionary 1970-89 Edition"
The following 500 pages are in this category, out of 2,614 total.
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- Latching relay
- Lateral deviation
- Lateral deviation error
- Lateral system of marking
- Lathing
- Lattice
- Lattice (2)
- Lead
- Lead-acid cell
- Lead-in
- Lead-in Wire
- Lead-sheathed cable
- Leaders
- Leading edge
- Leading Lights (G.B.)
- Leading line
- Leading Marks (G.B.)
- Leakage power
- Leakproof cell
- Leg (of chain)
- Lens
- Lens Carriage
- Lewis (GB)
- Life (of a lamp)
- Life Test
- Lift (of concrete)
- Lifting eye
- Lifting gear
- Light
- Light (2)
- Light (3)
- Light (4)
- Light Checking device
- Light controller
- Light Exposure
- Light float
- Light reflection properties
- Light Stimulus
- Light Valve
- Light vessel
- Light vessel station
- Light-Centre-Length
- Lighted Buoy
- Lighted coastal mark
- Lighthouse
- Lighthouse service
- Lighthouse tender
- Lighting
- Lighting (of a light)
- Lightning conductor
- Lightning conductor (2)
- Limestone
- Limit state design
- Limited signal
- Line
- Line conductor
- Line voltage (of a three-phase alternator)
- Linear Absorption Coefficient
- Linear detection
- Linear detector
- Linearly polarized wave
- Link
- Link (of a chain)
- Lintel
- Liquid petroleum gas
- Liquidity index
- Load
- Load (2)
- Load factor
- Load Regulation
- Load-bearing stratum
- Lobe
- Local control
- Local generation
- Local oscillator
- Log (of wood)
- Long dash
- Long-Arc Lamp
- Lookout
- Loom
- Loop alignment error
- Loop antenna
- Loop gain
- Loop transfer function
- Lorac
- Loran A
- Loran Base line extension monitor
- Loran C
- Loran C Phase coding
- Loran chart
- Loran Cycle match
- Loran Drift control
- Loran Envelope match
- Loran Fixed slave time delay
- Loran monitor station
- Loran Slew control
- Loran Specific repetition rate
- Loran stations
- Loran system
- Loran Time base
- Loudness
- Loudness level
- Loudness level contour
- Low Pressure Mercury (Vapour) Lamp
- Low Pressure Sodium (Vapour) Lamp
- Lubrication system
- Lumen
- Luminance
- Luminescence
- Luminosity
- Luminous beam
- Luminous Efficacy
- Luminous Element
- Luminous Exitance
- Luminous fan beam
- Luminous Flux
- Luminous Intensity
- Luminous Pencil Beam
- Luminous Range
- Luminous ray
- Luneberg lens
- Lux
M
- M profile
- M unit
- Machining
- Magnetic amplifier
- Magnetic Declination
- Magnetic Dip
- Magnetic field strength
- Main beam
- Main channel
- Main drum (of a winch)
- Main Electrode
- Main Light
- Main lobe
- Mains supply
- Maintainability
- Maintenance-free battery
- Making land
- Manifold (U.S.A.)
- Manipulated variable
- Manned Light (U.S.A.)
- Mantle
- Mantle Burner
- Manual control
- Marker beacon
- Marl
- Masonry
- Master oscillator
- Master station
- Matching unit
- Material
- Matrix
- Mattress
- Maximum power(Pmax)
- Mean life
- Mean line of course
- Mean power
- Mean power (2)
- Mean sea level
- Mean time between failures
- Mean time to repair
- Mean wind speed
- Measured-Mile Buoy
- Measuring element
- Measuring point
- Mechanical scanning
- Memory effect
- Mercury Bath
- Mercury switch
- Mercury switch (2)
- Mercury wetted relay
- Mesopic Vision
- Message
- Messenger
- Messmotor (G.B.)
- Metacentre (of a buoy)
- Metacentric height
- Metadyne
- Metal spraying
- Metal Vapour Lamp
- Metallised Lamp
- Meteorological Optical Range
- Meteorological Visibility
- Method of bins
- Micrometer Valve
- Mid-Channel Mark (or Buoy)
- Middle grounds
- Middle-Ground Marks (or Buoys)
- Mild steel
- Mill scale
- Mimic diagram
- Miniature Cap
- Miniature Cap/es
- Minimum clearing
- Minimum distance
- Minimum signal
- Mirror
- Mission time
- Mixed Reflection
- Mixed Transmission
- Mixer
- Modified refractive index
- Modular construction
- Modulation
- Modulation envelope
- Modulator
- Module
- Modulus of elasticity
- Moisture content
- Mole
- Monitor
- Monkey
- Monochromatic radiation
- Mooring
- Mooring buoy
- Mooring buoy/es
- Mooring eye
- Mooring line
- Mooring recovery wire
- Mooring rope
- Morse Code Light
- Mortar
- Mortar bed
- Moulded Glass (or plastic)
- Moving target indication
- Multi-cylinder engine
- Multi-point mooring
- Multi-Vee Filament (G.B.)
- Multicore cable
- Multipath propagation
- Murette
- Mushroom anchor (USA)
- Muting
N
- Nautical mile
- Navigation
- Navigation Lights
- Navigation Mark
- Necessary bandwidth
- Negative feedback
- Neutral axis
- Neutral conductor
- Neutral Filter
- Nickel-cadmium cell
- Nickel-iron cell
- Night effect
- Nigrescence Time (of a lamp)
- Nipple
- No-break power system
- No-load operation
- Node
- Noise
- Noise - electrical
- Noise figure
- Nominal operating cell temperature
- Nominal Range
- Nominal range of a sound signal
- Nominal voltage
- Non-skid covering
- Normal threshold of hearing
- Nut
O
- Observed bearing
- Occasional Light
- Occultation
- Occulting Hood
- Occulting Light
- Occupied bandwidth
- Octahedral cluster
- Octane number (of petrol)
- ODAS buoy
- ODAS buoy/es
- Off-centre plan display
- Off-normal (G.B.)
- Off-peak period
- Off-peak power
- Offset
- Oil Lamp
- Oil Lamp/es
- Oil store
- Omega
- Omega Antipodal effects
- Omega Commutation
- Omega Lane resolution
- Omnidirectional antenna
- On-load voltage
- On-off control system
- On-off keying
- On-off switch
- Opal Lamp
- Open loop
- Open position (of a switch)
- Open-circuit voltage
- Open-circuit voltage (Voc)
- Open-link chain
- Open-loop control
- Open-mesh flooring
- Operable
- Operating
- Operating air
- Operating conditions
- Optic
- Optic Pedestal
- Optic rotation mechanism
- Optical Axis
- Optical coupler
- Optical Density
- Optical Focus
- Optical Glass
- Optical Panel
- Optimum load impedance
- Order (of an optic)
- Organ of Vision
- Oscillating water column
- Outfall Mark (or Buoy)
- Output (process)
- Output channel
- Output data
- Output device
- Output power
- Output state
- Over-interrogation
- Overall efficiency of an R.F. stage
- Overhead (power) line
- Overload
- Overload (2)
- Overload protection
- Overload relay
- Overturning moment
- Oxidation
- Oxygen
P
- Pack ice
- Padstone
- Paint
- Paint (2)
- Painting (process)
- Parabolic antenna
- Parabolic Reflector
- Paraffin (soil)
- Paraffin Vapour Lamp
- Parallel connection (of sources)
- Parallel redundancy
- Parallel-plate lens
- Parallelling
- Parapet
- Parasitic radiation
- Parity bit
- Parity check
- Parity code
- Pass
- Pattern
- Pattern recognition
- Peak envelope power
- Peak envelope power (2)
- Peak load
- Peak pulse power (carrier frequency)
- Peak wind speed
- Peat
- Pentagonal cluster
- Percentage content (of solids)
- Percentage of Visibility
- Perception
- Performance monitor
- Period
- Period (of a rhythmic light)
- Periodic duty
- Periodic quantity
- Permanent echo
- Permanent Light
- Permanent load
- Permanent-magnet
- Petrol (G.B.)
- Petrol engine
- Phantom target
- Phase
- Phase converter
- Phase deviation
- Phase meter
- Phase modulation (PM)
- Phase voltage (of a three-phase alternator)
- Phosphorescence
- Photo-electric switch
- Photoelectric Photometer
- Photoluminescence
- Photometer
- Photometry
- Photopic Vision
- Physical Photometer
- Pick-up factor
- Pick-up ratio
- Pickling
- Pier
- Pier (2)
- Pierhead
- Pigment
- Pile
- Pile cap
- Pile driving
- Pile helmet
- Piling
- Pilot Light
- Pilotage
- Piloting
- Pin
- Pin Cap (G.B.)
- Pipe
- Piston
- Piston ring
- Pitch
- Pitch (of a chain)
- Plan position indicator
- Plane of polarization
- Plane polarized wave
- Plane wave
- Plank
- Plastic(s)
- Plasticity
- Plasticity index
- Plate
- Plate Glass
- Platform
- Play
- Plinth
- Plug (masonry)
- Plug (top)
- Plywood
- Pneumatic relay
- Point Brilliance
- Point source
- Point visibility meter
- Point Vision
- Pointing
- Poisson's ratio
- Polarisation (of an electrochemical cell)
- Polarization
- Polarization error
- Polarized relay
- Pole Beacon
- Polychromatic radiation
- Polymer
- Pontoon
- Population
- Port Hand Mark (or Buoy)
- Portal frame
- Position control system
- Position determination
- Position fixing
- Position line
- Position line (2)
- Position of rest
- Positive feedback
- Post
- Potential annual energy output (of a wind-power generator)
- Potentiometer
- Power
- Power curve (of a wind-power generator)
- Power gain - antenna
- Power line
- Power pack
- Power system
- Pre-emphasis
- Pre-Focus Cap
- Pre-Focus Lamp
- Pre-ignition
- Precast concrete
- Predrilled
- Prefabricated
- Pressure
- Pressure reducing valve
- Pressure stat
- Pressure-reducing valve
- Pressure-relief valve
- Prestressing
- Preventive maintenance
- Pricking Out
- Primary cell
- Primary Light Source
- Primary radar
- Prime mover
- Primer
- Principal axis
- Prism
- Prismatic Lens
- Prismatic Section
- Profile (of a fixed lens)
- Profile (of a lens, other than a fixed lens)
- Progressive wave
- Projector
- Projector Lamp (G.B.)
- Propagation error
- Propane
- Proportional action
- Proportional plus derivative action
- Proportional plus integral action
- Proportional plus integral plus derivative action
- Protected enclosure (or machine)
- Protected machine
- Pulse
- Pulse amplitude modulation (PAM)
- Pulse code modulation (PCM)
- Pulse droop